title: Review of bitcoin scalability proposals and tech index notes

http://diyhpl.us/~bryan/irc/bitcoin/big-pile.txt http://diyhpl.us/~bryan/irc/bitcoin/scalingbitcoin-review.pdf http://diyhpl.us/~bryan/irc/bitcoin/scalingbitcoin-review.odp http://diyhpl.us/~bryan/irc/bitcoin/bitcoin-selected-bookmarks.2015-09-09.txt http://diyhpl.us/~bryan/irc/bitcoin/bitcoin-selected-bookmarks.2015-09-09.yaml http://diyhpl.us/wiki/transcripts/scalingbitcoin/

scalability proposals: sidechains treechains extension blocks bryan's list of max block size proposals that was sent to the bitcoin-dev mailing list headers-first reverse header-fetching sync libsecp256k1 payment channels hub-and-spoke "increase the max block size" "reduce the interblock time" ECDSA things? schnorr signatures ring signatures borromean ring signatures https://bitcointalk.org/index.php?topic=1077994.0 https://github.com/Blockstream/borromean_paper/raw/master/borromean_draft_0.01_34241bb.pdf bloomfilters? ultrapruning pruning

broad topics: - cryptography signing scaling - verification scalability - blockchain sync scalability - mining scalability - scaling total number of transactions - scaling utxo lookup - scaling the p2p network protocol? - bootstrapping via dns? - how many transactions per second? - how many bitcoin transactions per second can be created outside of the network? - how many bitcoin transactions per second can be signed by libsecp256k1? openssl? etc. - what's the performance of libsecp256k1? - what's the performance of openssl? - bottlenecks

some links:

https://bitcointalk.org/gettopics.php?user=2786&board=asdf

[x] gmaxwell 11425 [x] Pieter 2786 [x] petertodd 2546 [x] adam back 101601 [x] maaku 40730 [x] Andrew Miller 140468 [x] andrew miller 5570 bluematt 4528 [x] Killerstorm 8620 [x] tiernolan 28405 [x] jgarzik 541 [x] etotheip 31239 [x] jl2012 57175 [x] gavinandresen 224 [x] hearn 2700 [x] satoshi nakamoto 3 [x] theymos 35 [x] wumpus 2252 [x] jtimon 3640 [x] nanotube 1268 [x] bytecoin 490 [x] mike caldwell (casascius) 2676 sergio lerner 24826

you, sipa, petertodd, adam3us, maaku, socrates1024, killerstorm, tiernolan, jgarzik, etotheip, jl2012, gavinandresen, mike hearn, satoshi nakamoto (none? wtf), wumpus, jtimon, nanotube, bytecoin

todo: - [x] bitcoin-dev mailing list archives - [x] bitcointalk shallow dive: all threads started by above list of people - [x] bitcointalk deep dive of technical subforum: only 185 pages of threads, get thread list in a single .html file - bitcoin wiki: - [x] gmaxwell hardfork wish list - [x] gmaxwell altcoin wish list - [x] scalability page https://en.bitcoin.it/wiki/Scalability - [ ] github bips.git forks - [ ] irc logs: #bitcoin-dev - [ ] irc logs: #bitcoin-wizards - [x] find bitdns merged mining stuff - [x] read all satoshi nakamoto posts to bitcointalk - [x] https://en.bitcoin.it/w/index.php?title=Special%3AAllPages&from=Gmaxwell&to=gmaxwelm&namespace=2

https://en.bitcoin.it/wiki/User:Gmaxwell/Reverse_header-fetching_sync

2015-08-29 notes from lunch w/ andytoshi

12:00 treechains, sidechains, bloomtables, libsecp256k1, bdb -> leveldb, block database is maybe leveldb now, utxo scaling with p2sh to make multisig smaller, schnorr signature stuff, tree signatures, not ring signature stuff because it makes scalability worse, borromean ring signature stuff for confidential transactions, spv itself is scalability related, lightning network, atomic cross-chain swap stuff, centralized proposals and off-chain stuff, look at gmaxwell's hardfork wish list, look at gmaxwell's altcoin wishlist, merkelized abstract syntax trees (script executing happens in the merkle tree, satisfying a script only needs to reveal the merkle branch (both scalability and privacy)) ((tree sigs are a special case), drop the OP_RETURN data proposals, drop old utxos (petertodd has a thing about recovering old dropped utxos with some proofs) (you keep your own utxos) (live set, archival set), non-lightning payment channels 12:02 nonmining block signing is technically a scalability proposal (private chain signing stuff) 12:02 extension blocks 12:03 evil extension blocks 12:03 (evil fork) 12:15 utxo set + zero-knowledge proof / snark of the entire blockchain history (asymptotically less verification time, unknown size, proof would take forever to create), merklerize the entire blockchain or do the same thing as the compact spv proofs- embed the header .. put every previous blockheaders in a merkle tree to get a skip list and get compact spv proofs (proposed in the sidechain whitepaper, but amiller said it's broken), skip list stuff in the sidechains whitepaper, you could drop the sequence number from transactions but we want to use that so no, 12:15 headers-first 12:16 distributed hash table lookup for headers (single slide saying "DHT") 12:19 bloom filter stuff for spv clients to look up individual utxos, 12:19 various mempool things 12:21 coin selection / knapsack problem is np-complete probably not much improvements since satoshi's version (might have been same version) 12:23 caching stuff? 12:25 memalloc scalability prolly counts... 12:25 bluematt iblt protocol scalability stuff 12:25 (was large reduction in bandwidth- like 90%) 12:55 probabilistic payments

my braindump of scalability-relevant proposals: treechains sidechains bloom tables, bloom filters libsecp256k1 performance, optimization, etc. bdb -> leveldb mempool database block database utxo scaling with p2sh to make multisig smaller (done) switching everything over to p2sh (smaller) schnorr signature stuff proof-of-treachery (single centralized node, but lots of fraud proofs flying around) tree signatures utxo commitment stuff spv payment channels, lightning network, hub-and-spoke stuff probabilistic payments probabilistic payments + payment channels atomic cross-chain swap stuff centralization ("migrate to postgresql, deprecate p2p network") merklized abstract syntax trees lots of merkle sum tree stuff merkle mountain range stuff? drop OP_RETURN data aging utxos block pruning what was petertodd's thing about providing your own proofs and utxos- did that help with blockchain scalability? nonmining block signing is technically a scalability proposal (private chain signing stuff) extension blocks evil forks using extension blocks subchains utxo set + zero-knowledge proof / snark of the entire blockchain history (asymptotically less verification time, unknown size, proof would take forever to create) compact spv proof stuff stuff about skip lists headers-first powpay replace transaction merkle tree with a Merkle-sum-tree increase the max block size flexcap max block size proposal auxiliary blocks IBLT stuff (gavinandresen?) bluematt's relay network mining-related assurance contracts, or fidelity bonded stuff? merged mining

from adam: - Rusty Russell did some sharding stuff in pettyCoin http://rustyrussell.github.io/pettycoin/ http://rustyrussell.github.io/pettycoin/2014/11/05/Playing-with-invertible-bloom-lookup-tables-and-bitcoin-transactions.html

1) OP_CHECKCOLORVERIFY: soft-fork for native color coin support, https://bitcointalk.org/index.php?topic=253385.0, jl2012

2) Merkle tree of open transactions for lite mode? https://bitcointalk.org/index.php?topic=21995.0, Gregory Maxwell

3) Ultimate blockchain compression w/ trust-free lite nodes https://bitcointalk.org/index.php?topic=88208.0 Alan C. Reiner

4) blind symmetric commitment for stronger byzantine voting resilience, http://www.mail-archive.com/bitcoin-development@lists.sourceforge.net/msg02184.html, Adam Back

5) Near-block broadcasts for proof of tx propagation, http://www.mail-archive.com/bitcoin-development@lists.sourceforge.net/msg02868.html, Peter Todd

6) Perverse incentives to withhold blocks http://www.mail-archive.com/bitcoin-development@lists.sourceforge.net/msg03200.html Peter Todd

powpay chain pruning utxo pruning

these months really blew up on the bitcoin-development mailing list: http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2015-May/thread.html http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2015-June/thread.html http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2015-July/thread.html http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2015-August/thread.html

https://en.bitcoin.it/wiki/User:Gmaxwell/alt_ideas hard-fork wishlist

Replace transaction merkle tree with a Merkle-sum-tree .g. If a regular merkle tree uses merge(X,Y) = H(X||Y) a MST would use merge(X,Y) = sum(X[0],Y[0]),H(sum(X[0],Y[0])||X[1]||Y[1]) with fees,hash taking the place of txids in the tree. This allows SPV nodes to stochastically validate the subsidy in blocks by fetching a random leaf and then fetching its txins. https://bitcointalk.org/index.php?topic=137933.0

Rule violation announcements http://sourceforge.net/mailarchive/message.php?msg_id=29450793

OP_CHECKBLOCKHASHVERIFY -- transaction can only be mined in a chain where that blockhash is in its history

POW which involves queries against the UTXO set (set of spendable coins) Basically a special kind of memory hard POW that proves that the miner has a complete copy of the UTXO set and that the miner is good at querying it Can still be combined with merged mining. (This is entirely Amiller's idea, but I like it a fair bit) One exciting enhancement to this idea I have is making the power H(header||nonce||H(utxo_lookup(H(header||nonce))). This way if you have a stream of utxo queries coming in, you can make the work of them mine for you. Validation then, is mining. If you don't have enough queries coming in you just make some up at random.

UTXO aging maybe demurrage

ultimate P2SH: Represent the script as a merklized abstract syntax tree. The P2SH address is the root. When spending the spender only may provide only the branch they are executing, and hashes for the unexecuted branches. This increases privacy and can compress long scripts on spend.

make every output specify a max_size, which is the maximum marginal increase in size from redeeming this txout in a new transaction. (would need to be coded into addresses) In order to economical align cost the blocksize limit should be based on the effective_size rather than real_size.

Pruned history Structure transactions so that the parts needed for validation (txins, scriptsigs) are separate from the output data (scriptpubkey, output and fee values) and put them in separate hash trees. All nodes fully prune all data more than a few thousand blocks back. Massive space savings and improvements in syncup speed. Massive security loss— an attacker that can construct a large reorg can steal all the transacted coin beyond a certain depth.

Normative and committed merklized UTXO data structure allows full validation of current blocks by storageless nodes with SPV security Can be complimented by proof-of-misbehavior messages that show a block is invalid by packing up the tree fragments that provide the data needed to see its invalidity

ZKP Validated checkpoints— Is it possible to use computational integrity to create compact (constant size) checkpoint proofs that show that a checkpoint was the result of a faithful validation of the blockchain? This could be used to give pruned history the same security as full Bitcoin up to the limitations of the integrity proofs. This requires a CI system with proofs size/complexity that doesn't depend on the 'secret' input to the code being run.

Chain folding If nodes don't actually need to validate old chain data (because of committed UTXO and pruned history), it would be possible to 'fold up' the historic chain: whenever— by chance— a header is found with an apparent difficulty greater than a summary target (some large multiple of the current difficulty) then the next block can have a summary header which has a PREV back to the prior summary as well as the prior blocks. Nodes which are validating just to gauge difficulty can skip the intermediate blocks. This can be applied recursively. If the backpointers are randomized and every block is a candidate summary you end making the chain a merklized skiplist.

Petertodd's MMR TXO: Alternatively, do not store a UTXO set. Instead encode the transactions outputs in the blockchain in a merkle mountain range (an insertion ordered fully populated binary tree, setup to make appends cheap) over the whole chain. Transactions are required to provide the update proofs that show their inputs in the tree (and thus also allow you to null them out). This means that fully validating nodes and miners can be basically storageless, but wallets must take on the cost of remembering their own coins.

adam3us proposes preventing mining policy blockading by blinding inputs. A transaction is mined but it isn't clear which inputs its spending. Fees are paid by unblinded inputs to prevent DOS attacks. Blinding is done in such a way that double spends are still obvious. [4] https://bitcointalk.org/index.php?topic=205533.msg2149057#msg2149057

"Flip the chain", instead of committing to new transactions, commit to the summaries of open transactions: [1] [2] [3] [4] https://bitcointalk.org/index.php?topic=505.0 https://bitcointalk.org/index.php?topic=21995.0 https://en.bitcoin.it/wiki/User:DiThi/MTUT#PROPOSAL:Merkle_tree_of_unspent_transactions.28MTUT.29.2C_for_serverless_thin_clients_and_self-verifiable_prunned_blockchain. https://bitcointalk.org/index.php?topic=88208.0

proof-of-treachery https://en.bitcoin.it/wiki/User:Gmaxwell/features

If full nodes become expensive to operate in the future then they may become uncommon and this could compromise the security of Bitcoin. This risk can be reduced if it's made possible for Bitcoin nodes to check all the rules at random and transmit compact proofs of rule violations. If this is done even if there is only one honest full node in the world the system is secure so long as it can communicate to all others. In general, in any deterministic computation process if you have simple state updates and commit to the sequence of states a compact proof of invalidity can be generated by producing a hash tree fragment to the first invalidate state transition. Ideas in this space have been previously discussed under the banner of proof-of-treachery [1]. Right now not all of the rules can be checked randomly or have compact proofs. SPV header checks — time, target, difficulty, already have them. But if future SPV nodes don't really check all the headers in the future it may be useful to arrange old header times in a merkle mountain range to proofs of sum difficulty and compact proofs of incorrect difficulty. Proof of invalid script Possible in the current system: Proof is tree fragments for the invalid txn in question as well as one invalid input (no need to include more than one). Could be made more efficient by including commitments to intermediate states, but with the 201 opcode limit all scripts are compact to verify in Bitcoin without doing anything fancier. Also proves nlocktime, etc. To prove output value greater than inputs all inputs must be provided in the proof. Proof of double spend Possible in the current system: Proof is tree fragments for the two transactions which spend the same input. Proof of false inflation Not possible without more data: The coinbase payment is the sum of fees in a block and the subsidy. Fees require knowing the transaction's inputs output values, to check subsidy you must not only have all the transactions but all their inputs as well. This is fixable. Replace the hash tree with one that H((fees_left+fees_right)||H(left)||H(right)) so that the tree commits to the fees. Nodes can randomly check this by grabbing a random txn and checking its inputs, and compactly prove violation by showing where the fees don't match their commitments. Proof of block too large Similar to false inflation, requires all the transactions, can similarly be solved by including the sum of txn sizes in the tree. Proof of spending a non-existing input Requires additional data: proof requires scanning the entire blockchain history Requires a UXTO set commitment as well as a tree for outputs created and consumed within one block. Proof is a pair of tree fragments for the higher and lower records for the missing entry, and another pair for the outputs created within a block but consumed.

http://diyhpl.us/~bryan/papers2/bitcoin/wizards/2014-01-15.txt 00:15:18 i've mentioned it before, but i'd like to stop confusing the word 'centralized' with 'trust-free' 00:17:07 anyway, you could have a bitcoin-like system, where instead of script verification, there was just one huge datacenter computing zero-knowledge proofs of the validity of the chains 00:17:31 it would be totally centralized (as in central point of failure), but to an extent trust-free 00:18:05 sipa: which is roughly what my fidelity-bonded foo ideas were about, especially the fidelity-bonded ledgers version 00:18:26 also, a bunch of N nodes all talking to eachother that all trust eachother is perfectly decentralized, but not trust-free at all 00:19:14 sipa: yes, and with some changes to the way blocks are structured you certainely could have groups of miners who trust each other co-operatively create and mine blocks with individually low-bandwidth nodes 00:19:36 sipa: I think you can even pull that off as a soft-fork 00:20:08 anyway, i'm not making any particular suggestion here 00:20:26 just trying to point out that 'decentralized' is ambiguously used in bitcoin context 00:20:27 well, I try not to use ZKP or snark/scip when designing, haven't learned black magic yet... 00:20:45 jtimon: if it can't be done with hashes, it's not really bitcoin 00:21:39 sipa: I get your point, sometimes just trust-less is enough 00:24:36 petertodd: currently hypothetical replacements for script 00:24:54 any reason why you'd use a stack-based language, and not something ast-based? 00:25:14 (i've been following about 1% of the discussions here the past weeks, i've certainly missed a lot) 00:28:23 sipa: I think the big question is do you need the self-modifying code that forth makes possible? 00:28:32 sipa: for quines it's certainely useful 00:28:49 quines? what do you need that for 00:29:02 sipa: covenants 00:29:15 another thing i need to read... :'( 00:29:16 sipa: IE things like SPV-verifiable colored coins 00:29:52 sipa: write a script that forces the transaction spending it to have a certain form, propagating the colored coin definition like a virus 00:30:10 basically, forcing the outputs of the next transaction to have certain code in their scripts 00:30:29 well, maybe only some of the outputs 00:30:48 and Forth-like languages are really good for this sort of thing, although not required 00:30:51 right 00:31:09 since you basically just have to test the prefix of the output script 00:31:12 also, merklized abstract syntax tree schemes are very forth compatible, even the self-modifying quine versions 00:33:23 maaku: incidentally, keep in mind that as complex as these sharded blockchain ideas are, they can also make these computationally intensive consensus schemes more viable by spreading the computation and space across more miners 00:41:06 jtimon: well, absolutely simpliest is to say a block has a single tx in it :) 00:42:31 I thought it was per-tx pow apart from block pow, the thing I'm more confortable with are "optional pow fees" 00:43:58 jtimon: I think it makes most sense when the only pow is in tx's, although exactly what that'd look like is an interesting question 00:46:13 maaku: well, for me it's a top priority 00:46:21 if i was asked today to write a script language for bitcoin, i think it'd be an AST with slightly lower level crypto operations than bitcoin has now 00:46:33 using some form of ZK-SNARK instead of doing fancy things directly. (I'd still be in favor of improving things generally, e.g. M-AST) 00:46:46 sipa: mostly agree there, what's interesting is what types of data would that script have access too? 00:47:02 i don't think byte arrays as data type is such a bad idea 00:48:27 gmaxwell sipa will an AST really be simpler for script coders? 00:48:47 (since I don't think it ever would make sense to use a SNARK to accomplish a 'simple' (X and Y) or ((X or Y) and 2of3(Q,R,Z)). 00:48:48 jtimon: huh? of course it would 00:48:48 gmaxwell: the SNARK would still have a language it understands though, right? (e.g. tinyram) 00:49:21 maaku: no. What I'd do is just implement a generic snark validation, and providing the snark verification key in the transaction. 00:49:22 sipa: that's not what I mean actually, I mean does the script have access to things like txins, txouts, blockchain headers? 00:49:30 petertodd: for bitcoin, no 00:49:32 jrmithdobbs I mean simpler than Joy, not simpler than the current one 00:49:52 petertodd: well, generalizing the hashtypes may be useful 00:54:27 sipa, yeah, this http://en.wikipedia.org/wiki/Abstract_syntax_tree 00:54:39 that's why I'd like a more powerful scipting language - even with opcodes re-enabled it's still a mess 00:56:09 sipa: well there are complications, because we'd want M-AST but the merkelization should be optional... because it doesn't make sense to merkelize something which is smaller than the hash and which you don't need to keep private. 00:57:28 sipa: is there a specific AST that is a good match to bitcoin? 00:57:49 give me a day and i'll write you one 00:58:24 E.g. when eligius proposed using a multisig script for controlling their emergency pool recieving address the policy they decided they wanted was (X and Y) or ((X or Y) and NofM(Q,R,Z...)) and we wrote a script to achieve that... but we had no way to tell for sure that it was safe! 00:58:33 i just mean i'm wondering if you had something in mine, like lisp/scheme or the spineless, tagless machiens of Haskell 01:00:25 gmaxwell: so these theorem provers, what kinds of languages don't they exist for? 01:01:48 petertodd: the provers themselves are seperated from the languages, and there exist tools to convert code into inputs for them for a variety of languages. 01:01:57 maaku: ok, there's a data stack that is initially populated with the script inputs (scriptSig data pushes), and a program, which is a serialized abstract syntax tree 01:03:03 maaku: AST nodes are: access[i] (retrieves the i'th element on the stack, counting from the top, and returns it without modifying the stack) 01:03:14 maaku: const[x] (just returns x) 01:04:28 maaku: let(expr1,expr2), which evaluates expr1 and puts it on the stack, evaluates expr2 using that modified stack, and then pops the element again 01:04:47 maaku: and then some basic arithmetic/crypto/string/... whatever operators 01:05:34 maaku: you can map this indeed to a lazily evaluated functional language 01:05:49 maaku: which would for example mean you don't need to evaluate expr1 in a let, if its expr2 never refers to it 01:10:54 jtimon: we're talking about a generalization of P2SH that works recursively, effectively. 01:20:08 hrm. I just realized that by executing code from the stack Joy/Cat makes it difficult to Merklize... 01:27:21 see, my real point is, with merklized forth it gets even more sophisticated, because your symbol table is hashes of code, and potentially at runtime you'd do something more sophisticated there just get some chunk of code dynamically 01:27:36 yet you can still arrange such that code that's never executed is never provided 01:27:42 that's over my head :) 01:28:14 anyway 01:28:32 one question is if there are other merkle-choosing-like operations possible 01:28:52 which do not mimick if-then-else 01:29:53 i think if you have some for(i in [0..n], f(i)) operator 01:29:58 sipa: tl;dr: forth can do the magic that lisp can do, not with macros, but with self-modifying code 01:30:01 with n a constant integer 01:30:08 right 01:30:15 then you can have a merkle version of it as well 01:30:32 that takes the hash of the non-evaluated loops 01:30:36 and for that matter, you can do tail-recursion for loops too... 01:30:49 and that can still be merklized 01:31:40 without needing to reveal how many loops you wanted to be possible 01:31:55 sipa: well ... if you have a homorphic hash you can do 1 of N execution more efficiently. Though I'm not aware of any way to do that which we'd consider in scope for this discussion. 01:32:05 haha 01:32:08 petertodd: how are you going to merklize forth? 01:32:57 ah, are you thinking of replacing a quoted block with its merkle hash? 01:33:35 maaku: remember, we're merklizing the potential code that can be run 01:34:13 maaku: so if you end up with code that defines new symbols, but doesn't use those symbols, then the symbol definition doesn't actually need to happen if that particular execution trace doesn't use them 01:35:26 sipa: so, linear iterative compression. 01:35:38 say you have some straight line code that can stop at some point. 01:35:49 petertodd: ok, in Joy at least "if/else" is handled like so (I think it's the same for Forth): [quoted-true-block] [quoted-false-block] OP_IF 01:36:05 in other words, push the code on the stack before execution 01:36:11 maaku: correct 01:36:50 so I suppose we can replace the branch not taken with OP_RETURN (when executing), plus an affixed hash value for what was there 01:36:57 ins0 1 2 3 4 5 6 7 8 you compute H(ins0....H(6|H(7|H(8))...) and then if you execute and run to step 4 and stop, you'd provide 0 1 2 3 4 H(5...H(8)). 01:37:05 ok that would work 01:37:13 maaku: and a symbol is a chunk of code, so you have Symbol1 Symbol2 OP_IF, and symbol2 never executes, then where the symbol is defined in the first place can be replaced with just the hash of the opcodes that would have been put there 01:37:21 I think that structure is not equal to choices. 01:37:24 gmaxwell: that's exactly what i meant 01:37:29 with the for loop 01:37:37 okay, good then I came about to the same thought. 01:37:58 is there something that generalizes those two? are there more? 01:38:09 very good question! 01:38:27 but it's really about some parametrizable control flow 01:45:46 might be interesting to describe a hash based winternitz compressed signature in this language, assuming there exists an OP_PUSH_TX_HASH ... I propose that if our choice operator(s) are good then a maximally efficient winternitz signature will be completely natural. 01:47:35 sipa: you know how a lamport signature works, right? 01:48:49 more or less, yes 01:48:55 for each message bit x, reveal either preimage_x or H(x) depending on if the message bit is 1 or 0. The public key is just the root hash over this data. 01:50:16 hmm 01:50:25 i need to see that on paper 01:50:27 but now now 01:50:47 winternitz optimization: take your message bits in groups of— say— 4 bits. so your 256 bit message becomes 64 4 bits words. you have then 64 preimages. H( ... 16hashes total ..H(H(preimage_n))) and your message word selects how deep in this structure you reveal. 01:51:59 that bit itself isn't secure, since someone could find another message where all the words had higher values than your message, but you can add a couple more checksum words, e.g. 3 for the case of 64 words. with their heights set to a sum of the others such that you can't reduce any of the message words without increasing at least one of checksum words. 01:52:13 in any case, that covers both the kinds of branching we've talked about. 01:54:03 so I suspect that if our language is done well, it actually reduces to one of these hash signatures... it's just doing some extra execution along the way. :P 01:54:21 or at least these signature schemes should express themselves very naturally in the script. 01:57:09 sipa: so here is another kind of 'choice': a choice where the permitted script is provided by the ScriptSig, validated by a key provided in the script and a checksig instead of a hash in the script. 01:57:15 gmaxwell: actually, that fold operator can just be encoded using choice 01:57:49 at every iteration you do a choice that just contains another instance of f 01:57:51 choiceL( choice(choice())) 01:57:52 yea.. 01:58:38 of course, if you provide a normal language construct for fold 01:58:47 as an optimization 01:59:00 you could provide a merkleizing one too 02:01:38 adam3us: So, is there a way with ECDSA, given three messages pick a pubkey,r,s such that pubkey,r,s is a valid signature of any one of the three messages? 02:02:25 I guess pubkey,r,s isn't going to be smaller for just three. Alas. 02:02:38 (so much for my ghetto homorphic hash idea. :P) 03:11:05 jcrubino: the first reference i was given here was about random oracles, and that led me through a very enlightening reference chase: 03:11:06 jcrubino: I think the most fundemental thing I've discovered is the concepts of how mining can be separated into timestamping and proof-of-publication 03:11:10 http://blog.cryptographyengineering.com/2011/09/what-is-random-oracle-model-and-why.html 03:11:13 http://blog.cryptographyengineering.com/2011/09/what-is-random-oracle-model-and-why.html 03:11:16 http://cseweb.ucsd.edu/users/mihir/papers/ro.html 03:11:37 also see the fiat-shamir paper and 'probabilistic encryption' by goldwasser and micali 03:11:55 if you can grok all those, that's enough background to ask intelligent questions re the crypto discussion 03:22:38 well when you spend a lot of time thinking in an adversarial model it changes how you think. 03:23:22 Normal thinking is strongly biased to thinking about the common cases, adversarial model thinking is biased to spend time thinking about the worst possible outcome. 03:32:18 CodeShark: oh, that's a good addition to the -wizards basic training list: understand semiotics and the distinction between sign, signified, and signifier 03:35:21 The answer "in the blockchain" is also wrong thinking— what happens if a blockchain is MMR compressed and only you have the data to prove your coins exists? Is it back in your possession now? What if that data has been further split into multiple parts with an error correcting code and spread to multiple machines. Now where does the coin reside? 03:36:18 gmaxwell: a good counter-question to that falicy is to ask people where does the song "Happy Birthday" reside exactly? 03:36:24 (and of course even ignoring MMR and whatnot wizards wank, it's kind of surprising to say something "resides" someplace public but can't be taken from there by anyone with access) 03:38:02 But also equally insane to say something like a coin resides with its private key, when the private key could be on a relativistic rocket and forever causually disconnected from any payments to it... :) 03:39:50 Fact of the matter is that we use analogies to understand thing by approximation. But there is no need that the (best) analogies need to be physically intutive, in fact basically all of higher mathmatics is about manipulating abstractions which are in no way physically intutive. 03:40:05 gmaxwell: also equally insane if you postulate an insecure signature algorithm that can be broken with 264 work 03:41:36 gmaxwell: I'll add to my wizards list that if you successfully got through a hard first year calc/analysis course with emphasis on proofs you're going to understand crypto-currencies much better 03:42:19 well, either that or it broke you completely and you're unable to reason without a pile of symbology in front of you. 03:43:20 heh 03:45:42 gmaxwell: probably a good thing I failed second year calc - the alternative was to be broken by it 12:14:31 12hr async conversation, caught up, a couple of comments 12:17:22 covenants/quinine scripts. I think relating to a payments ability to require transferable restrictions on the next transaction. i think this could be policy dangerous due to the virality. consider a script that requires follow-on script to have an AML id signature, a few regulations on exchanges, and policy. i understand it allows useful things like SPV coloring in chain, etc but I think satoshi script is policy safer 12:18:20 gmaxwell: "So, is there a way with ECDSA, given three messages pick a pubkey,r,s such that pubkey,r,s is a valid signature of any one of the three messages?" only 2 not 3 i think. 12:19:32 petertodd: "I think the most fundemental thing I've discovered is the concepts of how mining can be separated into timestamping and proof-of-publication" hmm might've been me that seeded that concept. or yet-another-rediscovery gmaxwell/petertodd/adam3us (i tend to get there last as i only started catch up 10mo ago) 12:47:38 petertodd: and i guess timestamp/namespace/bitcoin-ful/bitcoin-spv relation struck me in part because i thought about distributed namespace things (in the OT-like federated but reactive security + public auditability) pre-bitcoin. and you maybe because you looked at timestamping.

15:43:48 adam3us: this is ptertodd's very open design https://www.mail-archive.com/bitcoin-development@lists.sourceforge.net/msg03307.html 15:44:10 but let me summarize the way I see it integrated with regular transactions 15:45:44 transactions only include inputs, not outputs, and miners only include them if none of the inputs they contain have been seen (you need expiries in the TXI set for scalability) 15:46:13 the inputs may actually be garbage, refer to outputs that don't even exist 15:46:54 and all the history of the outputs is transmitted directly between users, it doesn't touch the chain 15:46:58 makes sense? 15:47:51 well, I haven't really though much about interoperate with regular transactions (going from private back to public) 15:48:13 the main problem here seems to be: how fees are paid? 15:48:30 and the only answer seems to be pow fees 15:48:39 petertodd doesn't go beyond that 15:48:53 I think you could have a regular blockchain 15:49:03 and optional pow fees 15:49:27 which miners can somehow "add" to their per-block PoW 15:50:32 maybe you want ot combine it with the "orphan blocks count for the total pow of a given chain" thing on that academic paper 15:50:45 jtimon: btw the first half of that writeup was stuff i summarized to petertodd (the entanglement, timestamp/namespace/minimum validation required) he could've mentioned it... i didnt read the rest of it before to see the txin proposal. it seems like a subset of comitted tx 15:51:13 yeah, seems very similar 15:53:14 jtimon: he could've alternately written "hey here's some stuff adam told me he explored, and i have another idea why dont we tweak committed tx to expose the txin" :) i think that is a more accurate summary of what he wrote. 15:54:55 jtimon: the thing is as i said above probably the bulk of the policy risk is based on the history. the thing about passing history around off-chain was in the committed-tx writeup 15:55:27 if he had done that I would have explained the txin proposal to you much faster ;) 15:56:05 jtimon: and to include clear txt tx-in exposes history. or alternatively if the txin is unlinkable because its never published (its ambiguous at the end) then what he wrote IS committed-tx 15:56:57 jtimon: (yeah sorry i was reading the post so i didnt see your explanation above until you wrote quite a bit you were writing while i was reading) 15:57:26 np 15:58:05 jtimon: i think gmaxwell said in the committed-tx thread it might nearly but not quite be implementable with script. 15:58:33 that post of him, reminded me a discussion Ryan and I had about a txid-only chain for one of our ripplecoins 15:59:01 we wanted to put the powin transactions 15:59:56 if you made the pow on top of another transaction, the pow was "summed up" (we didn't thought in detail about that PoW addition operation) 16:00:39 so people will commit their transaction on top of the longest chain they see 16:01:10 and then we needed a git-like merge 16:01:21 jtimon: yes i was wondering about something like that. i had a PoW variant with addition, however it is very approximate addition and has variance reduction so creates mining fairness issues. 16:01:32 but we realize that didn't prevented doublespendings ;( 16:02:09 adam3us: ok, but it's good to know that it's not completely impossible 16:03:00 jtimon: well ghost protocol could reduce sensitivity to how long it takes to reach consensus (ie not so concerned about orphan rate anymore). 16:03:08 I think it started here? https://bitcointalk.org/?topic=4382.0 16:05:30 jtimon: i was thinking of something related that ideally you would like to allow users to direct mine for small reward without pools and ended up with something ghost-like. i was thinking its too complicated and the incentives looked like they could work but wre also more complicated rules, and maybe more bandwidth a bit. so i thought this is too inellgant. seemingly the ghost authors thought it ok. 16:05:37 if this tx id gets into the chain before expiry, all the sub-txs in it are valid, otherwise none is valid 16:06:08 jtimon: i see in the rfugger thread u linked that you and he had a similar idea about building on non-conflicting orphans. why not indeed, link them all in by reference. 16:06:51 sorry don't know ghost 16:07:29 my latest idea as said was that miners added the user's tx-pow to their block pow 16:07:40 jtimon: there is an academic paper. they claim if you dont ignore orphans but hash into the coinbase non-conflicting orphans and change a few things you can have faster block interval without convegence problems 16:08:34 oh, that's ghost? yeah, that's what I meant by "" maybe you want ot combine it with the "orphan blocks count for the total pow of a given chain" thing on that academic paper "" earlier 16:09:06 jtimon: see it seems to me desirable that a user can claim anytime during the 2week retarget period any work of even small value. then we have less centralization risk. now a way to do that is separate reward from voting. 16:10:00 the users reward is getting their transaction into the block, why would they get anything else? 16:10:03 jtimon: so why not mine on a public key that you use to vote.. then the voting power of the public key is related to the amount of pow on it. and you can use it with a sort of PoS like vote 16:10:57 jtimon: i mean not specifically about your per tx pow, but that i wanted to be able to solo mine say 0.01 btc and claim it relyably without needing pools 16:11:24 what's the purpose? 16:11:39 jtimon: dislike of mining pool cenrtalization risk :) 16:11:58 the purpose of mining is validation not distribution 16:12:07 jtimon: so i tried to explore how could i solo mine. one answer is to be able to mine for smaller amounts. 16:12:52 but if you're mining old stuff, why should the network reward you? 16:12:58 jtimon: agreed. but maybe it can be a two stage process. stage 1 mine for small coinbase-like reward, stage 2 use PoS on the coinbase reward to vote for fee reward 16:13:37 jtimon: u would be mining only your public key. its a kind of micro-level PoS within the 2 week retarget interval only or something 16:21:03 jtimon: (this was part of the entangled design discussion i had with petertodd that he wrote about it a bit in that same post. at the lowest level you could obtain a distributed consensus sequence from a distributed timestamping service) 20:02:01 jtimon: you can save significant block chain space, as well as avoid many difficulties with demurrage / interest if you have explicit assets at the protocol level, in which case it also makes pragmatic sense to have token-based issuers 20:02:08 you could do away with token-based authorizers, although adding them would only be a couple of lines of code at this point. they have somewhat different properties 20:02:36 adam3us gmaxwell: please correct me if i'm wrong, but I think greg's opinion is that permanent covenants attached to a non-demurrage host currency is a Bad Idea. I concur. But make the covenants temporary, the coins themselves perishable, or applied to user issued assets (not colored coins but separately issued assets a la freimarkets), and it is a different story IMHO.

http://diyhpl.us/~bryan/papers2/bitcoin/wizards/2014-01-16.txt 20:28:51 AST are used in a phase of compilation I think, so sipa's point is I think for maybe having different compilers to the AST (also being a tree, easily merklizable) 20:29:24 it may be possible to convert joy to an AST of the type i suggested 20:30:02 Forth-like language such as Joy have an AST as well 20:30:21 anyway, i like the idea of these types of script to essentially be an expression 20:30:32 yes, compile joy to an ast should be possible, maybe you can ask that too "should we use joy or the AST compiled from joy?" 20:30:50 it has a natural merkleization 20:31:09 is trivial to analyse wrt to execution time 20:31:20 sipa: http://evincarofautumn.blogspot.com/2012/02/why-concatenative-programming-matters.html 20:31:26 and http://www.kevinalbrecht.com/code/joy-mirror/j01tut.html 20:32:18 maybe we can even write the scripts in python and compile them to ast, I'm sure the pypy guys have something to build from 20:32:33 with a Merklized Joy, you'd consider quotations to be a branch of the AST 20:32:55 so, for example, an if statement is: pred [true-branch] [false-branch] if 20:32:57 what advantage does joy/... have? 20:33:14 you can separately merklize the true and false branches

http://diyhpl.us/~bryan/papers2/bitcoin/wizards/2014-02-25.txt 07:28:12 petertodd: my response to that was "fine, its possible not to do that, but you get to fund some R&D if thats really your requirement. Some of your competition doesn't mind disclosing this however." 07:28:33 gmaxwell: exactly, which is why I keep saying "take customers a, b, c and allocate their holdings to a subset of the total txouts you have, and have multiple merkle trees leading to multiple txouts" - but yeah, obviously more complex on the backend then just having one 07:29:29 petertodd: I think they should just take the scheme we discussed previously and execute it under a ZKP for general programs. It would be similar in size to the zerocash proofs. 07:30:16 gmaxwell: a ZKP for general programs doesn't meet the crypto-blub test: "Can fine-arts graduate Peter Todd implement it over a weekend?" 07:30:23 I think there is a way using the new blind-ecdsa technique to get the signature out of the zkp too. 07:30:38 petertodd: thats what libraries are for. 07:31:04 gmaxwell: so what? those libraries will need to be ported to multiple languages, tested, etc. etc. it's much uglier than just implementing the dumb thing first 07:31:44 petertodd: oh come on. "system() to a process written in C" I know people are fixated on reinventing the wheel but none of these places are writing their own https servers. :P 07:32:12 I think people should do the dumb and not private thing first, then market pressure will fund whatever it takes to get the private thing. 07:32:14 gmaxwell: hey, I'm being pragmatic here... we can always roll out a ZKP scheme later 07:34:08 petertodd: k then we're not in disagreement. 07:35:16 gmaxwell: remember that once the basics are understood and libraries are in place, crypto-blub Peter Todd becomes capable of harder things!

11:19:43 I'm not sure if I mentioned it but I figured out how to do ZK proof of coin ownership without having ecdsa verify inside the ZKP. 11:20:03 oh? 11:20:14 that sounds pleasingly unintuitive :) 11:20:29 dump the utxo out, and arrange it to a hash tree. Verifer does this too. Both prover and verifier get a hash root. (this step can be skipped if you have a blockchain with a utxo commitment) 11:22:20 you extract a hash tree path to select your coin from the tree, you provide the public key for the coin (pub), you provide a random EC point R = nonce*G, and the point pub+R. 11:23:08 the random point, public key, and hash fragment are provided as secret inputs to the zkp, and the hashroot and pub+R are provided as public inputs. 11:24:00 under the ZKP you prove that the coin is a member of the hashroot, that the pubkey is the right pubkey for the scriptpubkey, and you perform just the EC addition (cheap as EC gets) to prove that the pub+R is pub+R. 11:24:46 then outside of the ZKP you create a signature using the private key secret+nonce. The verifyer verifies the signature and the zkp. and is convinced you own the coin. 11:25:32 basically instead of doing ECDSA verify in the ZKP you do an EC public key blinding which is much cheaper. then you sign with the blinded key. 11:25:45 ah, i see. i was thinking you meant with no signature at all. moving the signature outside the zkp seems fruitful indeed. i once asked eli about doing RSA inside zk-snarks and he mentioned microcoding modular exponentiation 11:25:56 perhaps something like that could be used to reduce the cost even further 11:26:13 so rather than implementing the EC point addition in C and then proving that, you implement it natively as a circuit and trigger it from the proved program 11:27:24 indeed. the thought of a circuit for ECDSA was bothering me, I'm much happier with a point addition. 11:43:32 gmaxwell: in an arithmetic circuit solving the group operation formula should be just a few gates, right? 11:47:57 though i'm not sure if these circuits support division, actually 11:49:54 gmaxwell: doesnt that just hide which coin you own? 11:49:58 TD: it's some dozen field operations or so. (including some multiplies and squares) in an arith circuit there is some blowup because the field isn't the same size. But it shouldn't be terrible. I believe it would be cheaper than another sha256 hash in any case. 11:50:15 adam3us: sure you can throw the value in there too I didn't mention it because it wasn't needed for the hard part. 11:50:45 e.g. value is a public input and it compares it to the private coin too. showing you can sign for a coin of the specified value. Or of an encrypted value or.. 11:51:03 gmaxwell: so then you can prove you own a certain value in zkp. but alternatively you could just sign a msg with the private key. why the zkp is my q really. 11:51:37 adam3us: because if I do that I'm revealing to you which coins are mine, which is a loss of privacy if my goal was only to prove to you that there exist coins I could sign for. 11:52:20 and if I'm encrypting the values, this means I could prove that I have some total of coins matching a total of encrypted liabilities, and not reveal to you how much funds I have in the process, just that the books balance. 11:54:52 where do you find the time to learn so much about all this maths? i am envious :) 11:55:00 i try to keep up but even so, it's tough to find the time 11:55:22 could you configure the arith circuit field size to match the secp256k1 field size? 12:02:00 gmaxwell: but with encrypted values you need something to compare to. that would require what? all users to provide an encrypted and publicly verifiably complete set? 12:07:42 TD: I think not, at least not with the GGPR12 stuff as the arith circuit field size is set by the size of the pairing crypto curve. 12:07:59 adam3us: yea, so this is the old non-fractional reserve protocol stuff without the privacy to solve that. 12:08:25 adam3us: basically you can do a version that involves no funky math, just hashtrees, that proves no fractional reserve with some information leak 12:08:44 first you reveal your bitcoins and prove you can spend them.. so assets are proven. Thats simple. 12:09:16 Then you build a list of all the account balances and arrange them into a hash tree with the sums of the child balances included in the interior nodes. so the root has a hash and a total. 12:09:28 you publish that via a broadcast channel (say, daily) 12:09:52 and then everyone can see that liabilities are <= assets, maybe... to prove that the liabilities are correct: 12:10:28 when each user logs in you give them the tree fragment to prove that they were included in last nights published total and they verify it (with js or browser extension, for example) 12:10:54 of course if a user never logs in, you can steal their balance. 12:10:59 "Oh well, they weren't using it." 12:11:00 gmaxwell: so the idea is users collectively audit it. they check if their coins are in it? 12:11:06 right. 12:11:41 gmaxwell: it seems like the zkp version could be vulnerable to proof lending for a fee.. there is no reputation risk for the prover (the actual owner of the coins) 12:11:48 and so to prevent balance data from leaking in that hash tree you can make the tree a huffman tree, which will maximize the equality of branches (or package-merge to make the maximum depth controlled). 12:12:17 adam3us: it could be— or taking the coins to vegas right after making the proof. 12:12:29 but you elevate from incompetence and mismanagemet to gross fraud at that point. 12:13:05 gmaxwell: yes. i think i'd prefer if no user assets were ever under exchange direct control. that also is possible. the hard part is to make bitcoin scale to handle it, as all trades happen on block chain then 12:13:11 which still seems to be productive to me. You could get more elaborate, like timelocking the funds and show that funds beyond the withdraw daily limits are actually unspendable by the network, but perhaps I'm getting to cipherpunk there. 12:13:44 gmaxwell: no such thing as too cpunk until the exchange can be run by somali pirates (or MagicalTux:) 12:14:18 I don't think thats a reasonable goal for all cases. It's certantly applicable in some and should be used where it is— but existing exchanges are doing things like hitting velocities of many hundreds of trades per second. 12:14:29 gmaxwell: i think exante has a published balance address 12:14:47 gmaxwell: yes thats why i said hard part is to make it scale 12:15:01 in any case getting people to publish proofs has picked up some traction and we'll see some progress there under variations of the protocol I just described, it's better than not. 12:15:27 gmaxwell: i wonder if there is something between "trust exchange" and "trust no one"... eg trust SCIP on sharded blockchain or such 12:15:37 gmaxwell: agreed 12:17:49 gmaxwell: werner mention something about time windows of locked tx or something on bitcointalk.. did you see that post? 12:18:20 maybe? I dunno. it's actually hard to lock a transaction against yourself today. 12:18:32 er lock a txout against yourself. 12:19:37 I came up with a scheme that almost works, if only you could spend a coin without knowing its txid. when you sign the spending transaction (SIGHASH REALLY_REALLY ANYONE CAN PAY) 12:20:10 gmaxwell: i meant sergio demian lerner (not werner) 12:20:52 (my locking scheme was that you write the release transaction with nlocktime and set the signature to a nothing up my sleeve value, then derrive the pubkey and pay to that)

oblivious merkle trees http://diyhpl.us/~bryan/papers2/bitcoin/wizards/2013/03/13-03-28.log 01:57 < amiller> gmaxwell i learned all about oblivious merkle trees, it's really interesting 01:58 < amiller> i tried to think of how that would apply to bitcoin but its strange because it hides access patterns for 'reads' as well as writes 01:58 < amiller> which means every time data is read from an untrusted service, it has to be rewritten back as well 01:58 < gmaxwell> yea, "oram" 01:59 < amiller> the data has to be encrypted for hiding the access patterns to make sense

22:12 < petertodd> related: I'm thinking for a merklized AST what makes sense is merklized forth. The forth dictionary concept is perfect for it, and means you have a simple, easy to implement language already used for embedded andother things (and bitcoin scripting) along with all the usual nice things like editor modes and what not 22:42 < petertodd> Merkle Forth: So you've got your parameter stack and return stack, and are thus at the point where you can recreate Bitcoin scripting. Now the interesting thing to do is add TPM functionality, which means a PCR opcode and stack to allow you to select what you want to consider as the start of the current trusted block of code. Then add an encrypted stack, as expected encrypted with H(sec|PCR tip), and some sort of monotonic counter thing. That should give you enough to do trusted computing with an extremely stable API, and that API itself can be just AST heads of useful library function calls that may actually be implemented directly in C or whatever rather than the opcodes themselves. 22:43 < petertodd> Now off-chain tx's with trusted hardware is just a matter of agreeing on a common program that will manipulate the counters representing value attached to the private keys, as well as agreeing on what signatures sign the classes of hardware you can trust. 22:44 < petertodd> With some careful design you can probably even use the programs themselves to prove fraud/compromised trusted hardware, basically by just providing a program that should have run, and some kind of execution trace proving it didn't do that, at least in many cases. 22:45 < petertodd> Equally, that also makes designing redundent hardware easier, as you can reuse the execution traces to determine if two sealed up uC's runningt he code executed the code in the same way on the same data. 22:47 < gmaxwell> petertodd: I don't know that explicitly supporting that makes sense.. simply because you can just have the trusted hardware produce signed message regardless, even without support. 22:47 < petertodd> gmaxwell: I'm not sure either yet - strikes me that doing traces + monotonic counters could be very tricky, but it's worth looking into at least. 22:57 < petertodd> Anyway, I think the interesting part is more that with the model that you build up every part of the language from the forth primatives you make it very, very clear what code is actually being run. Equally, forth is already common in applications, IE spacecraft, where you need relatively bare metal languages with simple frameworks and symantics; note how with forth it's much easier to get to the level where you trust that the code being run is what you actually wrote than, say, C. 22:57 < petertodd> It's fundementally the same math wise as a tonne of other approaches, but forth makes what is going on very explicit. 23:00 < petertodd> Anyway, I think the interesting part is more that with the model that you build up every part of the language from the forth primatives you make it very, very clear what code is actually being run. Equally, forth is already common in applications, IE spacecraft, where you need relatively bare metal languages with simple frameworks and symantics; note how with forth it's much easier to get to the level where you trust that the ... 23:00 < petertodd> ... code being run is what you actually wrote than, say, C. 23:03 < petertodd> The actual implementation can be some tiny and primitive C kernel with static memory layout. Just be clear what the maximum's are for the variou parts of the stack. Dunno yet what the stack datatype should be, MPI's are nice but there is the subtle issue that it'd be good to have some clear idea of how many operations an operation takes. Of course, really simple would be 32-bit ints and implement everything higher level in forth.

2013/05/13-05-04.log:00:21 < amiller> if you assume that my authenticated data structure merkle UTXO thing works 2013/05/13-05-25.log:01:19 < amiller> also merkle all the things 2013/05/13-05-29.log:11:51 < petertodd> actually, I think just implementing a merkle-sum tree package is worth it - a few companies at the conf said they were interested in that kind of transparency 2013/05/13-05-29.log:13:54 < petertodd> and on top of this, so don't forget you can use a merkle sum tree with your k-v pairs if you want a system where each pair has an individual sacrifice amount 2013/05/13-05-29.log:14:06 < petertodd> One issue here, is what's the equivilant of a UTXO proof? Maybe a merkle mountain range of every value ever associated with a given key? 2013/05/13-05-29.log:14:08 < jgarzik> heh, merkle mountain range 2013/05/13-05-29.log:14:08 < petertodd> The merkle-mountain range is prunable, and the incentive to get it right is that others will see you screwed it up, and won't build upon your sacrifices. 2013/05/13-05-29.log:14:09 < petertodd> jgarzik: https://github.com/opentimestamps/opentimestamps-server/blob/master/doc/merkle-mountain-range.md

merkle tree merkle path merkle skip list merkle mountain range merklized abstract syntax tree merkle sum tree

2013/06/13-06-02.log:02:50 < amiller> every advanced crypto concept is just a) complicated thing b) compicated thing c) merkle tree on top of complicated things d) complicated thing 2013/06/13-06-03.log:12:44 < amiller> it's SNARK + blockchains and merkle trees basically 2013/06/13-06-28.log:02:05 < amiller> gmaxwell, this constant-verification merkle tree proof of work paper from 2009 has a really general form 2013/06/13-06-28.log:02:09 < amiller> gmaxwell, the memory is a merkle tree, the memoryless validator validates merkle tree paths, but the puzzle solve has to access random locations in the memory in sequence 2013/06/13-06-28.log:02:11 < amiller_> gmaxwell, no because you can build a merkle tree then cut and choose over that proof too 2013/07/13-07-02.log:15:07 < petertodd> Although a sane UTXO proof system will make a merkle tree within the transaction itself, IE hashing txins and txouts. 2013/07/13-07-08.log:18:04 < petertodd> amiller: merkle mountain range: https://github.com/opentimestamps/opentimestamps-server/blob/master/doc/merkle-mountain-range.md 2013/07/13-07-08.log:18:13 < petertodd> amiller: I mentioned to TD earlier today the idea of miners committing to a merkle tree of txids in their mempool, just to prove visibility, you could use that if the commitment included txins being spent. 2013/07/13-07-17.log:13:54 < amiller> but you can do this faster if you commit to a skip list (or probably even just a merkle tree to be simpler) that has pointers further back than just the previous block. 2013/07/13-07-18.log:10:58 < amiller> either way you use the merkle root as a commitment then choose interactively if you like 2013/07/13-07-23.log:23:38 < petertodd> I think the advantage over a merkle tree is supposed to be that the underlying primative can be a bloom filter, rather than a complete dataset like a merkle tree 2013/07/13-07-24.log:01:36 < petertodd> Although also, multiple proofs in one tx can be more space efficient as the merkle paths share state 2013/07/13-07-24.log:01:37 < petertodd> (merkleized ASTs would be ideal for this you know...) 2013/08/13-08-01.log:21:31 < petertodd> oh, did I ever show you my merkle mountain range idea? IMO the most intuitive way to do an incremental merkle tree 2013/08/13-08-01.log:21:32 < petertodd> It's pretty similar to merkle skip lists in many ways, but it's just so simple and easy to describe compared to it. 2013/08/13-08-01.log:21:34 < petertodd> merkle mountain ranges was just the way of essentially combining multiple perfect merkle trees into one commitment 2013/08/13-08-24.log:21:32 < gmaxwell> Anyone see a merkle signature scheme where a CSPRNG with a matching tree structure was used to generate the private keys instead of a straight random access CSPRNG? 2013/10/13-10-13.log:19:49 < sipa> theorysipacoin: merkleized abstract syntax tree script, script+txid-indexed utxo set as state, transaction destinations specified as H(script) while in-chain H(H(script)), no malleability in signatures, pubkey recovery for small inputs, payment-protocol only (p2p is just for broadcasting to miners), txouts state the size/cpu limitations of the script that will spend them, tx fees go into a to-be-mined pool which is only partially paid out in each block

2013/10/13-10-15.log:16:13 < petertodd> gmaxwell: you just provide a merkle path from the txout to the TXO commitment - the mountain range gets modified every time a txout is spent and the commitment of the current version of it is included in every block 2013/10/13-10-17.log:14:03 < midnightmagic> just love how merkle trees are going into everything these days 2013/10/13-10-17.log:14:04 < amiller> i bought merkletrees.org from namecheap (with bitcoins) 2013/10/13-10-17.log:21:31 < petertodd> maaku: yeah, what's interesting is the naive way of building a merkle tree, going left to right and just promoting the left most odd element, naturally gives you a MMR 2013/10/13-10-17.log:21:37 < petertodd> amiller: Appending needs to touch only the "mountain tips", that is the perfect merkle trees already stored, and for n items stored you'll have log2(n) trees. (roughly)

2013/10/13-10-25.log:13:34 < petertodd> adam3us: ooh, reminds me re: commited txs: I've got an idea where you'd make transactions have commitments of previous ones with a merkle-mountain-range-like scheme so you could efficiently reference any previous transaction up to the genesis block. This is easiest to understand if transactions can only have linear history, but a dag history is doable too. Anyway, wallet software would receive that history to know the coins are valid, thus pushing validation directly to the users. Obviously some way of pruning that history is important, SCIP is heavy-weight and complex but could work. 2013/10/13-10-25.log:13:39 * petertodd needs to come up with a good directed acyclic graph version of merkle mountain ranges 2013/10/13-10-25.log:13:53 < petertodd> (although I guess you could use a merkle-sum-tree to combine txin values and split txout values) 2013/10/13-10-25.log:14:16 < petertodd> adam3us: ok, sounds like this is a bit of an issue with large transactions, as there's a trade-off between "publish the whole tx" as your fraud proof, and having more complex merkle trees 2013/10/13-10-25.log:14:16 < petertodd> see, we were thinking of doing merkle sum trees extending into the transaction txins and txouts, which is cheap with un-hidden values, not so cheap with a homeomorphic system 2013/10/13-10-25.log:14:31 < petertodd> adam3us: that's exactly what I mean! for instance I had a scheme for an asymmetricly validatable proof-of-work function with merkle trees where the size of the proofs was directly related to the parallelism possible, and commodity ram had way less parallelism than optimal

2013/10/13-10-25.log:14:49 < adam3us> petertodd: "an idea I had was for the tx merkle tree to include pow" did you see this paper http://hashcash.org/papers/merkle-proof.pdf by fabien coelho, i'm pretty sure you did maybe you were on the im thread when i heard a ref to it





09:22 < adam3us> petertodd: its a fun fact yes; we dont care what history is, just that it doesnt change

http://diyhpl.us/~bryan/papers2/bitcoin/wizards/2013/10/13-10-30.log

2013/0#bitcoin-wizards.log:16:21 * petertodd doesn't understand the meaning of merkleized...

2013/0#bitcoin-wizards.log:17:53 <@petertodd> Ok, lets see if I get the concept right: So one possible accumulator would be to construct a merkle tree of a bit field with one bit for every integer between 0 and 2256. You can prove you added an integer to that set by showing the leaves for an operation updating the appropriate bit, and you can remove an integer with another set of leaves. (equally any deterministic binary tree works) 2013/0#bitcoin-wizards.log:19:48 <@petertodd> Each block is signed by the ledger, and the blockchain is linked by a merkle mountain range hash system. 2013/0#bitcoin-wizards.log:19:55 <@petertodd> (with merkle summing) 2013/0#bitcoin-wizards.log:12:18 <@sipa> which means it can be merkleized: you associate a hash with every node, and by just having the root hash, you can prove that a particular path through the tree belongs to it 2013/0#bitcoin-wizards.log:12:27 < HM> How does a merkle hash play in this ? 2013/0#bitcoin-wizards.log:12:32 <@sipa> so, in case the AST is merkleized, you could just provide the hash of the X or Y subtree, instead of its full data 2013/0#bitcoin-wizards.log:12:34 <@sipa> and the merkle root (which is what the txout specified) remains valid 2013/0#bitcoin-wizards.log:12:45 <@sipa> the HASH_x entries are just necessary to make the merkle root of the AST work out 2013/0#bitcoin-wizards.log:12:46 <@sipa> it may need to be there, to make the merkle root work out 2013/0#bitcoin-wizards.log:12:00 < HM> Heh, wow.... digital signatures using merkle trees 2013/0#bitcoin-wizards.log:13:44 < amiller_> hm yeah digital signatures were the first use of merkle trees

2013/10/13-10-25.log:14:49 < adam3us> "An (Almost) Constant-Effort Solution-Verification Proof-of-Work Protocol based on Merkle Trees"

20:28 < kanzure> needs to be more proposals about getting rid of blocks and just making sure rule validity was ensured, less about syncup concerns or utxo bloat, in general 20:30 <@gmaxwell> kanzure: are you up to doing wizards log extraction? there is a proposal for me that gets rid of transactions in terms of history. 20:30 <@gmaxwell> (same one where I argue the equivilence of strong scalabilty and privacy.) 20:32 <@gmaxwell> I argue a specific commitment structure where miners, armed with a succinct ZKP for NP statements, create blocks which provide only an update to the UTXO set, and a constant size proof that the new utxo set was an authorized modification according to some unspecified number of undisclosed transactions. 20:33 <@gmaxwell> It's lovely, except for the current infeasability of running ECDSA verification in the prover unless we don't mind 12 hour blocks. :) 20:33 < kanzure> gmaxwell: that's the style of proposal that we need more of. even something more limited than that could work. 20:33 <@gmaxwell> Though it could actually be pratical if transactions instead used lamport-like signatures. 20:34 <@gmaxwell> (ironically, making signatures 20x larger makes the scheme pratical) 20:34 < kanzure> i would also be interested in systems where treechains or sidechains or whatever chains are self-limiting and voluntarily split off into smaller systems somehow, so that you don't run into problems like "supernodes are too expensive to setup, so certain forms of mining fraud is tolerated". 20:35 <@gmaxwell> kanzure: right, what you're asking about is actual scalability proposals, ... its rather irritating to me that current scale proposals keep getting incorrectly described as scalability. 20:36 <@gmaxwell> There are very few in general, presumably because it's hard. Also because they inherently invoke a trade-off. 20:36 < kanzure> also: i think spending lots of time coming up with a zero knowledge proof could be a worse bottleneck? hopefully not.

17:00 < jgarzik> kanzure, at which link are you collecting all the ideas? (sorry for the FAQ) 17:01 < jgarzik> kanzure, and, , did you see https://github.com/jgarzik/auctionpunk :) Bitcoin-specific auction, where only one bid is valid, bidders must provably commit funds to an auction, and more. 17:01 < jgarzik> only one-of-N bids is valid, from the blockchain perspective 17:03 < jgarzik> kanzure, another idea developed in IRC a bit is a "IM chain" -- freeze funds using CLTV, to obtain N bytes worth of posting rights to a chain that operates with a 14-day moving window (meaning all data after 14 days is pruned network-wide) 17:03 < jgarzik> a better-bitmessage 17:04 < jgarzik> kanzure, amiller and I also sketched a design for a DHT which required funds in order to store resources 17:05 < jgarzik> kanzure, I did a bit of code writing for "data coin", a chain focused on data storage 17:07 < jgarzik> kanzure, http://impulse.is/impulse.pdf describes an interesting idea -- have a wallet with N open payment channels; the process of sending funds involves treating "payment channels as UTXO" -- to spend you must gather one or more open payment channels, sufficient to cover the value being spent. This results in added traffic on the blockchain, but instant secure payments. 17:07 < jgarzik> All the best material though is found trolling through ancient bitcointalk.org threads, and looking at old posts of key authors like Tier Nolan 17:11 < kanzure> i am curious if your data coin was the same thing as the dht pay-for-storage amiller concept? 17:11 < jgarzik> kanzure, no, datacoin was a chain 17:11 < jgarzik> kanzure, the DHT thing was separate 17:12 < jgarzik> kanzure, it followed on an IRC theme of designed bitcoin-bound side chains (unrelated to Blockstream Side Chains(tm)) 17:12 < jgarzik> designing 17:13 < kanzure> i found when reading the forums that there have been many "side-chains" and we collectively don't know how to name different ideas 17:13 < jgarzik> I'm using "side chains", little "s" little "c" 17:13 < jgarzik> as inclusive of merged-mined chains, Side Chains(tm), any chain with bitcoin-anchored tokens and/or security 17:14 < jgarzik> kanzure, more for the idea pile: "active addresses" - on-chain entities a la Ethereum that can hold balances, and execute scripts when new funds come in 17:23 < jgarzik> kanzure, there are autonomous agent threads to follow. StorJ http://garzikrants.blogspot.com/2013/01/storj-and-bitcoin-autonomous-agents.html and me working on part of that problem moxiebox, https://github.com/jgarzik/moxiebox 17:25 < jgarzik> kanzure, and then there's the decentralized market stack: DC currency + DC market + DC identity & reputation & attestation/auditing/qualificaiton 17:25 < jgarzik> A lot of ideas with bitcoin at their core 17:38 < jgarzik> kanzure, I view collecting all these ideas as one of the biggest contributions somebody could make to the ecosystem 17:38 < jgarzik> kanzure, there is a wealth of material just lying around, waiting to be picked up 17:38 < jgarzik> there is also duplication, and people claiming 2015-era inventions that were first described independently by someone else in 2010 or 2011 17:44 < jgarzik> tree chains are mainly a rhetorical device petertodd employs when he doesn't like a random idea ;p 17:50 < jgarzik> kanzure, ah yes, "mailboxes" mentioned on same page, https://botbot.me/freenode/bitcoin-wizards/2015-04-12/?page=5 17:50 < jgarzik> tiny bits of on-chain storage, associated with some funds. storage goes away when funds go away. 18:02 < jgarzik> kanzure, I expect to be paid back with a voluminous link that can be shared publicly :)

18:16 < jgarzik> kanzure, (ideas pile) One of my thoughts is that scaling bitcoin will indeed involve side chains. chains will fork off the main chain, and merge/settle back into the main chain. lightning does this, yes, but it can be done more simply and effectively with a side chain. 18:17 < jgarzik> similar to git fork and git merge 18:17 < jgarzik> a cluster of users will achieve short term consensus to fork a chain 18:19 < jgarzik> (semantic note: "fork" here is not a hard fork or soft fork; it refers to a departure from the main chain) 18:20 < jgarzik> later, when that decentralized cluster (a decentralized market?) de-allocates, settlement (merge) with main chain occurs. 18:20 < jgarzik> One hyper scaling future fills the main chain with nothing but side chain activity

18:21 < jgarzik> kanzure, In general I'm a fan of lightning 18:22 < jgarzik> kanzure, Trying to reason out whether or not it is simpler for a future end user [wallet] to simply use "the local San Francisco side chain for low value payments" versus a lot of lightning network routing 18:22 < jgarzik> there is routing in either case 18:23 < rusty> kanzure: oh, I missed that. Atomic-swap-to-X seems like something we'll want to ddo.


sergio lerner

It's easy to me to list my own ideas because I have them already listed in my blog. Here they are:

QixCoin: The first Turing-complete cryptocurrency http://qixcoin.com/

MAVE: Digital Signature Protocol for Massive bulk verifications (an extension to Guy-Fawkes signatures) http://www.linkedin.com/redir/redirect?url=http%3A%2F%2Fbitslog%2Ewordpress%2Ecom%2F2012%2F04%2F09%2Fmave-digital-signature-protocol-for-massive-bulk-verifications%2F&urlhash=bC1L&trk=prof-publication-title-link

MAVEPAY: a new lightweight payment scheme for peer to peer currency networks(Link) http://www.linkedin.com/redir/redirect?url=http%3A%2F%2Fbitslog%2Ewordpress%2Ecom%2F2012%2F04%2F16%2Fmavepay-a-new-lightweight-payment-scheme-for-peer-to-peer-currency-networks%2F&urlhash=yyJX&trk=prof-publication-title-link

New Opcode: PUSH_SIG https://bitcointalk.org/index.php?topic=405200.msg5681780#msg5681780

Paycket protocol: How to reward nodes that relay txs https://bitcointalk.org/index.php?topic=385528.msg4155300#msg4155300

PayQueue: Still another protocol to reward nodes that relay txs https://bitcointalk.org/index.php?topic=385528.msg4154714#msg4154714

Hidden-branch-protection Protocol https://bitslog.wordpress.com/2013/06/26/the-bitcoin-eternal-choice-for-the-dark-side-attack-ecdsa/%20

Soft-fork Proposal: allow nLockTime specify an upper limit instead of lower limit https://bitcointalk.org/index.php?topic=308626.msg3309762#msg3309762

The Tick Method: How to prevent wallet theft (someone discovered a bug in this protocol, but I don't remeber what w was it) https://bitcointalk.org/index.php?topic=307211.msg3308565#msg3308565

BIP: Increasing the Network Hashing Power by reducing block propagation time https://bitcointalk.org/index.php?topic=145066.0

HL mining protocol (Heavy/Light mining): reducing block propagation problems https://bitcointalk.org/index.php?topic=272709.msg2924821#msg2924821

New opcode: OP_PUSH_BLOCK_DATE https://bitcointalk.org/index.php?topic=255110.msg2734275#msg2734275

Still More New Opcodes proposal https://bitcointalk.org/index.php?topic=255110.msg2717864#msg2717864

Destination Address Anonymization in Bitcoin, August 6, 2012 https://bitslog.wordpress.com/2012/08/06/destination-address-anonymization-in-bitcoin/

New SIGHASH_MULTI flag https://bitcointalk.org/index.php?topic=188695.msg1955371#msg1955371

New Opcode: OP_COPY_SCRIPTSIG https://bitcointalk.org/index.php?topic=164655.msg1720098#msg1720098

A clean solution to ALL Bitcoin problems: SatoshiDice, Block size, future fees. CoVar and Restricted-CoVar https://bitcointalk.org/index.php?topic=147124.msg1561612#msg1561612

Global Pool Mining Proposal and a fast light tx verification system (a precursor of GHOST) https://bitcointalk.org/index.php?topic=137819.msg1469240#msg1469240

Fee confiscation: a solutions to the tragedy of the commons problem https://bitcointalk.org/index.php?topic=134024.msg1447017#msg1447017

Proof of Bet – An alternative to everything else https://bitcointalk.org/index.php?topic=131230.msg1405173#msg1405173

Using the version field as more nonce space while maintaining backwards compatibility https://bitcointalk.org/index.php?topic=89278.msg1247692#msg1247692

Peer Isolation for DoS prevention https://bitcointalk.org/index.php?topic=110365.msg1201016#msg1201016

Different Hashing proposal to prevent mining hardware “time bomb” https://bitcointalk.org/index.php?topic=106266.msg1167756#msg1167756

Double-Spend alert system https://bitcointalk.org/index.php?topic=106026.msg1162636#msg1162636

More on Double-Spend alert system https://bitcointalk.org/index.php?topic=106026.msg1167651#msg1167651

A solution to the “Tragedy of the Commons” problem in Bitcoin ? https://bitcointalk.org/index.php?topic=101637.msg1111950#msg1111950

Emulating 2-3 multisig with DAA https://bitcointalk.org/index.php?topic=98827.msg1083995#msg1083995

Escrow without third parties https://bitcointalk.org/index.php?topic=98827.msg1081648#msg1081648

APPECoin, a system with total anonymization – key design points (uses universal re-encryption and short ZNPs of shuffles, unfinished draft paper available on bitslog.com website) https://bitcointalk.org/index.php?topic=96029.msg1058459#msg1058459

Possible use for the double hash in blocks (forward only second hash preimage) https://bitcointalk.org/index.php?topic=84498.msg933032#msg933032

DECOR+ Protocol, May 7, 2014 (Second version of the protocol that solves the selfish mining problem) https://bitslog.wordpress.com/2014/05/07/decor-2/

DECOR protocol, May 2, 2014 (first version of the protocol) https://bitslog.wordpress.com/2014/05/02/decor/

SmartSPV Protocol – A better Simplified Payment Verification for Smartphones, April 25, 2014 https://bitslog.wordpress.com/2014/04/25/smartspv-a-better-simplified-payment-verification-for-smartphones/

AppeCoin Anonymous Cryptocurrency Draft, April 24, 2014 https://bitslog.wordpress.com/2014/04/24/appecoin-anonymous-cryptocurrency-draft/

The Private Automatic Miner Backbone Protocol (PAMBA), April 19, 2014 https://bitslog.wordpress.com/2014/04/19/the-private-automatic-miner-backbone-protocol-pamba/

MinCen: A new protocol to achieve instant payments, March 20, 2014 https://bitslog.wordpress.com/2014/03/20/mincen-a-new-protocol-to-achieve-instant-payments/

The re-design of the Bitcoin block header, March 18, 2014 https://bitslog.wordpress.com/2014/03/18/the-re-design-of-the-bitcoin-block-header/

Safe merged-mining Protocol, February 20, 2014 https://bitslog.wordpress.com/2014/02/20/safe-merged-mining/

FastCoin5 Protocol: 5-seconds block intervals for instant payments, February 17, 2014 https://bitslog.wordpress.com/2014/02/17/5-sec-block-interval/

Strict memory hard hash functions, December 31, 2013 https://bitslog.wordpress.com/2013/12/31/strict-memory-hard-hash-functions/

Group Signatures with proposed Trapdoor threshold anonymity property, July 30, 2013 https://bitslog.wordpress.com/2013/07/30/can-financial-privacy-coexist-with-regulation/

P2pTradeX Protocol, July 05, 2012 https://bitslog.wordpress.com/2013/05/20/p2ptradex-back-from-the-future/

Faster SHA-256 ASICs using carry reduced adders, February 7, 2015 https://bitslog.wordpress.com/2015/02/17/faster-sha-256-asics-using-carry-reduced-adders/

Proof of unique blockchain storage, November 3, 2014 https://bitslog.wordpress.com/2014/11/03/proof-of-local-blockchain-storage/

Blockpad: Improved Proof-of-work function with decentralization incentives, July 5, 2014 https://bitslog.wordpress.com/2014/07/05/blockpad-improved-proof-of-work-function-with-descentralization-incentives/

Preventing Geographical Centralization of Cryptocurrency Mining with the LIMIO protocol, July 4, 2014 https://bitslog.wordpress.com/2014/07/04/preventing-geographical-centralization-of-cryptocurrency-mining-with-the-limio-protocol/

(I have several more unfinished papers in the works...but I'm always out of time)

I would really like to see the master index published. Please, send me a link to it when it's ready.

Best regards, Sergio.

TODO: include hyperlinks from this email


jl2012

Thanks for your effort to collect the ideas. I have proposed many in the past 3 years and it is difficult even for me to collect them.

Here are some of my ideas:

Short term / blocksize:

  1. The use of tx version field in BIP62 and 68: http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2015-August/010043.html

I don't have a strong opinion to BIP68, but I'm really worrying about BIP62. If BIP62 is not optional, it would be a big trouble for "P3SH". We will need a bunch of DROP and 2DROP at the end of the scriptPubKey, or we have to serialize everything into one push in the scriptSig (with 520bytes limit)

BIP62 will also eliminate some innovative use of OP code in scriptSig, such as "mis-matched ENDIF" described by Peter Todd: http://www.mail-archive.com/bitcoin-development@lists.sourceforge.net/msg07384.html

  1. Hardfork bit: https://github.com/jl2012/bips/blob/master/hardforkbit.mediawiki https://www.reddit.com/r/bitcoin_devlist/comments/3ekhg2/bip_draft_hardfork_bit_jl2012_at_xbthk_jul_23_2015/

Gavin doesn't like this idea: https://groups.google.com/forum/#!msg/bitcoin-xt/VtCviJlw1Rw/EegqJNegDgAJ

You mentioned on the IRC that it may keep the MSB on after the hardfork, until next hardfork.

  1. Limiting the growth of UTXO when we increase the max_block_size / setting a hard limit for a composite score of size, delta-UTXO, and sigop. I think you have a similar idea so I'm not quoting.

Next generation of script (P3SH):

  1. Some ideas for MAST (merklized abstract syntax tree) / P3SH: https://bitcointalk.org/index.php?topic=255145.20

  2. OP_RETURNTRUE: allowing softfork for any new OP CODE: https://bitcointalk.org/index.php?topic=1106586.0 We can have it as part of P3SH softfork

  3. Script 2.0 wish list: https://bitcointalk.org/index.php?topic=490829.0, particularly:

  4. More public key algorithms
  5. More hashing algorithms
  6. Support shorter hash and public key for micro-payment and short-term storage (to save block space)

  7. New SIGHASH types: http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2015-August/010759.html


SPV:

Partial validating nodes: https://bitcointalk.org/index.php?topic=1103281.0


Emergency: The use of Guy Fawkes Signature in case of ECDSA zero-day exploits https://bitcointalk.org/index.php?topic=320634.0


Longterm / academic only:

Auxiliary block: softfork for any imaginable rules, except those redefining the block header https://bitcointalk.org/index.php?topic=283746.0

Increase currency divisibility with soft-fork: https://bitcointalk.org/index.php?topic=256516.10




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qaket4c6 2015-08-29T02:27:15+00:00 https://bitcointalk.org/index.php?topic=856069.0 bitcointalk bitcoin adam3us adam-back year-2014 chaum hal-finney stefan-brands ecash electronic-cash zerocoin zero-knowledge proof-of-set-membership cryptography unspent-coins unspents b-money bitgold sybil-resistance wei-dai nick-szabo double-spending

yaekvvcm 2015-08-29T04:20:46+00:00 https://bitcointalk.org/index.php?topic=45456.0 bitcointalk bitcoin maaku sha256 double-sha256 question hashing hash-functions

dfucyajg 2015-08-29T04:21:24+00:00 https://bitcointalk.org/index.php?topic=45665.0 bitcointalk bitcoin maaku transaction-fees fees fee difficulty-retargeting adjustment tx-fees fee-estimation

62whbvuf 2015-08-29T04:23:03+00:00 https://bitcointalk.org/index.php?topic=3816.0 bitcointalk bitcoin jtimon freicoin demurrage interest-rates liquidity interest cryptocurrency year-2011

2y5gfo2z 2015-08-29T04:24:30+00:00 https://bitcointalk.org/index.php?topic=66794.0 bitcointalk bitcoin maaku gmaxwell meni-rosenfeld exponential-distribution retargeting difficulty-retargeting difficulty arithmetic-mean harmonic-mean ining miners geometric-mean poisson-process

xupdczkl 2015-08-29T04:25:17+00:00 https://bitcointalk.org/index.php?topic=93245.0 bitcointalk bitcoin pull-request gitian deterministic-builds determinism virtual-machine virtualbox maaku year-2012

no2trrzr 2015-08-29T04:28:31+00:00 https://bitcointalk.org/index.php?topic=204283.0 bitcointalk bitcoin scalability maaku compression blockchain pruning synchronization syncup syncing utxos utxo-set scaling etotheipi jtimon hybrid-tree year-2013

gov2qpoq 2015-08-29T04:29:02+00:00 https://bitcointalk.org/index.php?topic=211498.0 bitcointalk bitcoin maaku uuid blockchain chains mainnet testnet identification year-2013 proposal

eh6scuo5 2015-08-29T04:31:01+00:00 https://bitcointalk.org/index.php?topic=278671.0 bitcointalk bitcoin freimarkets freicoin p2p maaku jtimon blockchain assets crowdfunding merged-mined merged-mining partial-transactions private-ledgers pruning scalability dutch-auction off-chain year-2013

2nq2rns2 2015-08-29T04:32:05+00:00 https://bitcointalk.org/index.php?topic=291283.0 bitcointalk bitcoin maaku coinjoin crowdfunding transactions bitcoin-core petertodd year-2013

qlqy5uqu 2015-08-29T04:32:34+00:00 https://bitcointalk.org/index.php?topic=279249.msg3041593#msg3041593 bitcointalk bitcoin petertodd coinjoin two-party mixing mix privacy anti-dos year-2013

lbszmnon 2015-08-29T04:33:54+00:00 https://bitcointalk.org/index.php?topic=471352.0 bitcointalk bitcoin maaku proposal normalized-txid txid canonical-txid ntxid pieter-wuille sipa transaction transaction-hash normative-transaction-identifiers rfc-3548 normtxid year-2014 transaction-malleability

img3hkzi 2015-08-29T04:34:45+00:00 https://bitcointalk.org/index.php?topic=471562.0 bitcointalk bitcoin maaku transaction-malleability txid ntxid normative-transaction-identifiers transaction-identifiers mutant-transactions non-standard normtxid year-2014

f7g6t4u4 2015-08-29T04:38:31+00:00 https://bitcointalk.org/index.php?topic=11189.0 bitcointalk bitcoin killerstorm year-2011 scalability blockchain distributed-hash-tables verification cross-chain interoperability multiple-chains hubcoin chain-migration coin-migration

ecvrxwbi 2015-08-29T04:40:13+00:00 https://bitcointalk.org/index.php?topic=106449.0 bitcointalk bitcoin killerstorm year-2012 colored-coins colored-bitcoin coloring colored

cioillj4 2015-08-29T04:41:33+00:00 https://bitcointalk.org/index.php?topic=117716.0 bitcointalk bitcoin scalability killerstorm pruning aggressive-pruning synchronization syncup syncing utxos pruned-utxos year-2012

irfcyf4o 2015-08-29T04:42:40+00:00 https://bitcointalk.org/index.php?topic=80435.0 bitcointalk bitcoin meni-rosenfeld scalability utxos outputs bloat blockchain pruning storage year-2012

bx2kpod6 2015-08-29T04:43:11+00:00 https://bitcointalk.org/index.php?topic=7942.0 bitcointalk bitcoin pieter-wuille sipa pruning txouts txout utxos year-2011

3o3ldqgv 2015-08-29T04:48:19+00:00 https://bitcointalk.org/index.php?topic=1865.0 bitcointalk bitcoin caveden scalability proposal blockchain block-size max-block-size year-2010 theymos bytecoin moonshadow mike-hearn gavinandresen insurance scaling

vefnwawz 2015-08-29T04:50:35+00:00 https://bitcointalk.org/index.php?topic=112007.0 bitcointalk bitcoin jgarzik atomic-coin-swapping swapping atomic-swapping atomic-swaps coin-swapping coin-swaps SIGHASH_ALL year-2012

wfdc37kq 2015-08-29T04:51:19+00:00 https://bitcointalk.org/index.php?topic=106373.msg1267002#msg1267002 bitcointalk bitcoin killerstorm year-2012 p2p laundering mixing coin-mixing swap-transactions swaps swapping atomic-swap

qx2rbrgz 2015-08-29T04:52:46+00:00 https://bitcointalk.org/index.php?topic=138000.0 bitcointalk bitcoin killerstorm smart-property invoicing invoices contracts contracting colored-coins p2ptrade voucher year-2013 proposal

vz5cdmpp 2015-08-29T04:56:29+00:00 https://bitcointalk.org/index.php?topic=61181.0 bitcointalk bitcoin benrayfield ben-rayfield proposal distributed-hash-tables distributed-hash-table hash-table merkle-trees avl-tree binary-search-tree search-tree tree-rotations binary-merkle-tree merkle-tree year-2012 scalability

knbht3pl 2015-08-29T04:57:39+00:00 https://bitcointalk.org/index.php?topic=150681.0 bitcointalk bitcoin killerstorm coin-mixing mixing chaum blind-signatures chaumian-blind-signatures rsa-blind-signatures blind-signing ecc cryptography year-2013

plglxf6m 2015-08-29T04:59:46+00:00 https://bitcointalk.org/index.php?topic=153662.0 bitcointalk bitcoin scalability utxos utxo-set utxo costs bandwidth latency storage killerstorm year-2013

oktx56g6 2015-08-29T05:01:10+00:00 https://bitcointalk.org/index.php?topic=313347.0 bitcointalk bitcoin killerstorm merged-mining ming sidechains consensus dianna spv petertodd year-2013 side-chains

kla5thnw 2015-08-29T17:12:54+00:00 https://bitcointalk.org/index.php?topic=21048.0 bitcointalk bitcoin tiernolan tier-nolan empty-blocks blocks blockchain miners mining year-2011

v2zdxjdo 2015-08-29T17:14:21+00:00 https://bitcointalk.org/index.php?topic=24651.0 bitcointalk bitcoin tiernolan tier-nolan opcodes soft-forks soft-forking year-2011 upgrades upgrading

6t7biybb 2015-08-29T17:15:43+00:00 https://bitcointalk.org/index.php?topic=24656.0 bitcointalk bitcoin tier-nolan tiernolan headers-first year-2011 headers blockheaders proposal torrent bittorrent verification p2p flood-protection verification-time scalability torrenting

27vxe4dq 2015-08-29T17:17:13+00:00 https://bitcointalk.org/index.php?topic=143792.0 bitcointalk bitcoin tier-nolan tiernolan hash-compression p2pool p2p mining links pool-chain year-2013 win-link claim-link proof-link variance proposal

gacopphd 2015-08-29T17:19:11+00:00 https://bitcointalk.org/index.php?topic=144865.0 bitcointalk bitcoin tier-nolan tiernolan year-2013 p2p storage blockheaders routing-tables routing distributed-hash-table route-tables proposal blocks blockchain

jinftmd7 2015-08-29T17:20:10+00:00 https://bitcointalk.org/index.php?topic=144895.msg1542430#msg1542430 bitcointalk bitcoin tier-nolan tiernolan proposal max-block-size block-size year-2013 blockchains alternative-chains alt-chains altchains merged-mining

hy3wpuon 2015-08-29T17:21:28+00:00 https://bitcointalk.org/index.php?topic=144895.0 bitcointalk bitcoin petertodd year-2013 max-block-size block-size incentives centralization decentralization orphans orphan-rate empty-blocks transactions scalability scaling mining-incentives

c4uqa3tw 2015-08-29T17:22:46+00:00 https://bitcointalk.org/index.php?topic=131493.0 bitcointalk bitcoin proposal spv merkle-tree transactions errors security mike-hearn blocks validity

xczoxyz7 2015-08-29T17:27:55+00:00 https://bitcointalk.org/index.php?topic=145677.0 bitcointalk bitcoin tier-nolan tiernolan proposal utxos mining ahead-of-time p2p verification max-block-size block-size scalability scaling

av4r54vl 2015-08-29T17:30:14+00:00 https://bitcointalk.org/index.php?topic=175639.0 bitcointalk bitcoin tier-nolan tiernolan proposal OP_PARTIAL_MERKLE_ROOT merkle-root partial-merkle-tree merkle-tree opcode blockheader script atomic-swaps cross-chain year-2013 scalability scaling

fy5nog42 2015-08-29T17:34:53+00:00 https://bitcointalk.org/index.php?topic=179598.0 bitcointalk bitcoin tier-nolan tiernolan proposal proof-of-work blockheaders pow-header blocks sub-chain sub-chain-blocks subchains subchain soft-fork orphan-rate sub-chain-links subchain-links backwards-compatible block-rate scaling scalability confirmations confirmation-time year-2013

b5p2xpph 2015-08-29T17:36:27+00:00 https://bitcointalk.org/index.php?topic=180907.0 bitcointalk bitcoin tier-nolan tiernolan distributed-hash-tables distributed-hash-table missing-records lost-records hash-tables kademlia proposal year-2013

gx6vatgm 2015-08-29T17:37:20+00:00 https://bitcointalk.org/index.php?topic=192369.0 bitcointalk bitcoin tier-nolan tiernolan proposal utxos utxo-set utxo-size growth-capping capping limit growth-limit transaction-fees year-2013

dqqgc3w4 2015-08-29T17:38:48+00:00 https://bitcointalk.org/index.php?topic=192524.0 bitcointalk bitcoin script tier-nolan tiernolan proposal OP_LOOP loops looping cost-per-operation price-per-operation year-2013

auhf66oz 2015-08-29T17:39:56+00:00 https://bitcointalk.org/index.php?topic=193281.0 bitcointalk bitcoin tier-nolan tiernolan atomic-swaps atomic-transfers merkle-tree OP_SWAP OP_CAT year-2013

hofvems2 2015-08-29T17:43:50+00:00 https://bitcointalk.org/index.php?topic=193281.msg2224949#msg2224949 bitcointalk bitcoin tier-nolan tiernolan cross-chain atomic-cross-chain-transfers socrates1024 andrew-miller year-2013

wvt5x77l 2015-08-29T17:45:21+00:00 https://bitcointalk.org/index.php?topic=219171.0 bitcointalk bitcoin tier-nolan tiernolan proposal orphans blockheaders propagation relaying relay partitions splits network-splitting network-split orphan-branch year-2013

xm64ryfx 2015-08-29T17:48:33+00:00 https://bitcointalk.org/index.php?topic=244682.0 bitcointalk bitcoin tier-nolan tiernolan etotheipi jl2012 subchains sub-chains confirmations reorgs reversals orphan-rate orphans alt-chains proposal scaling scalability mining

7yfbtzzj 2015-08-29T17:51:16+00:00 https://bitcointalk.org/index.php?topic=255110.msg2717864#msg2717864 bitcointalk bitcoin sergio-lerner proposal proposals script opcodes PUSH_INPUT_AMOUNT PUSH_INPUT_SCRIPT PUSH_INPUT_COUNT PUSH_FEES PUSH_OUTPUT_AMOUNT PUSH_TOTAL_OUTPUT PUSH_OUTPUT_COUNT PUSH_BLOCK_DATE PUSH_BLOCK_NUMBER PUSH_BLOCK_HASH PARSE_SCRIPT_TOKEN PUSH_PREVTX_OUTPUT persistent-transaction-sequences persistence transactions scalability scaling opcode

dopqfml2 2015-08-29T17:54:12+00:00 https://bitcointalk.org/index.php?topic=257298.0 bitcointalk bitcoin tier-nolan tiernolan proposal rpc getheaders getheader sum-merkle-tree merkle-tree scalability scaling syncing syncup synchronization blockheaders headers-first year-2013

2kwgrl7c 2015-08-29T17:55:32+00:00 https://bitcointalk.org/index.php?topic=259592.0 bitcointalk bitcoin tier-nolan tiernolan soft-fork difficulty-retargeting retargeting retargeting-rules jl2012 difficulty-adjustment proposal

vzyfotyu 2015-08-29T17:57:52+00:00 https://bitcointalk.org/index.php?topic=262281.0 bitcointalk bitcoin tier-nolan tiernolan proposal forks forking fork-events headers blockheaders blockchain tree tree-extension orphan-branches orphans relaying nodes year-2013

7vvle4wo 2015-08-29T18:02:27+00:00 https://bitcointalk.org/index.php?topic=263996.0 bitcointalk bitcoin tiernolan tier-nolan year-2013 merkle-tree fee-tree blockheaders merkle-root txin proposal auxiliary-header

dgb5mlyh 2015-08-29T20:13:42+00:00 https://bitcointalk.org/index.php?topic=272855.0 bitcointalk bitcoin tier-nolan tiernolan proposal blocks unvalidated-blocks fastblock fastblockrelay block-relaying block-relay relaying bloom-filters relay-early-relay-often full-match-bloom-filters gmaxwell bluematt year-2013

5vdidics 2015-08-29T20:15:06+00:00 https://bitcointalk.org/index.php?topic=145066.0 bitcointalk bitcoin proposal sergio-lerner block-propagation block-relaying block-relay block-size p2pool petertodd getrawblock sendrawblock bloom-filters bloom-filter scalability scaling year-2013

nwrir6xm 2015-08-29T20:16:58+00:00 https://bitcointalk.org/index.php?topic=181734.0 bitcointalk bitcoin etotheipi proposal SIGHASH SIGHASH_WITHINPUTVALUE lightweight OP_CODESEPARATOR script year-2013 txout-value txouts inputs txin

2cq5xssb 2015-08-29T20:19:06+00:00 https://bitcointalk.org/index.php?topic=277471.0 bitcointalk bitcoin tiernolan tier-nolan spv verification compartmentalization proposal pruned-scriptsig merkle-pruned-scriptsig merkle-pruning sum-tree scaling scalability validation year-2013

grhznchw 2015-08-29T20:21:47+00:00 https://bitcointalk.org/index.php?topic=369605.0 bitcointalk bitcoin tier-nolan tiernolan utxo-set utxos compression ultimate-compression pruning merkle-paths expanded-transactions expanded-block EXPANDED_STORE_NODE merkle-abstract-syntax-tree merklized-abstract-syntax-tree merkle-tree verification extended-transactions send-transactions-with-input-transactions-too proposal scalability scaling year-2013

hy4exxjo 2015-08-29T20:24:47+00:00 https://bitcointalk.org/index.php?topic=98986.0 bitcointalk bitcoin high-value-hash-highway high-hash-highway hash-highway andrew-miller socrates1024 merkle-skip-list skip-list proposal scaling scalability cumulative-difficulty year-2012 links compact-spv-proofs maaku

5gyehm4s 2015-08-29T20:27:42+00:00 https://bitcointalk.org/index.php?topic=406598.0 bitcointalk bitcoin hash-highway tier-nolan tiernolan proposal scalability scaling merkle-roots merkle-root merkle-tree soft-fork checkpoints headers blockheaders synchronization synchronizing syncup syncing year-2014

vinae23y 2015-08-29T20:28:37+00:00 https://bitcointalk.org/index.php?topic=407328.0 bitcointalk bitcoin proposal tiernolan tier-nolan proof-of-stake transactions coin-age blockheader soft-fork reorgs

eon4p4sl 2015-08-29T20:33:53+00:00 https://bitcointalk.org/index.php?topic=193281.msg5833231#msg5833231 bitcointalk bitcoin cross-chain atomic-cross-chain-transfers malleability refund-transactions year-2014 k99 tiernolan tier-nolan proposal

xiit7w4j 2015-08-29T20:40:53+00:00 https://bitcointalk.org/index.php?topic=844944.0 bitcointalk bitcoin tiernolan tier-nolan hard-fork hard-fork-wishlist timewarp-fix timewarp extended-merkle-tree merkle-tree txout outputs transactions utxo-commitments auxiliary-headers sum-merkle-tree mandatory-p2sh p2sh sigops-per-block sigop-limit proposal proposals year-2014 hard-forks hard-fork-checklist checklist

ve2pqae7 2015-08-29T20:44:11+00:00 https://bitcointalk.org/index.php?topic=845978.0 bitcointalk bitcoin merkle-tree sum-merkle sum-merkle-tree proposal tier-nolan tiernolan scaling scalability spv fraud-proofs year-2014 merkle-sum-tree

hywfqzdh 2015-08-29T20:45:16+00:00 https://bitcointalk.org/index.php?topic=847538.0 bitcointalk bitcoin proposal tiernolan tier-nolan aux-headers auxiliary-header auxiliary-headers auxiliary-header-transaction blockheaders merkle-root hard-fork merkle-tree merkle-branch soft-fork scalability scaling year-2014 improvement

f2ygeqwz 2015-08-29T20:50:33+00:00 https://bitcointalk.org/index.php?topic=1048021.0 bitcointalk bitcoin tier-nolan tiernolan year-2015 utxo-commitments commitment utxo-set verifiable-merkle-set proof-of-existence removal-proofs insertion-proofs replacement-proofs proposal spv scalability scaling

3ewx67n3 2015-08-29T20:55:47+00:00 https://bitcointalk.org/index.php?topic=1056866.0 bitcointalk bitcoin tier-nolan tiernolan proposal year-2015 extended-transactions utxos pruning scalability scaling utxo-lite UTXO_RAW utxo-commitments soft-fork network-protocol

gzzrmtp5 2015-08-29T20:57:02+00:00 https://bitcointalk.org/index.php?topic=1065390.0 bitcointalk bitcoin orphan-transactions orphans transactions tier-nolan tiernolan year-2015 hash-map transaction-chaining proposal scalability scaling transaction-archival

eul3cxu7 2015-08-29T21:00:21+00:00 https://bitcointalk.org/index.php?topic=1067534.0 bitcointalk bitcoin tiernolan tier-nolan helix-blockchain utxos destination-chain utxo-set helix p2p proposal propagation-time verification-time soft-fork year-2015 higher-confirmation-times confirmation-time confirmations confirmation-period

zjftizs3 2015-08-29T21:02:45+00:00 https://bitcointalk.org/index.php?topic=1117914.0 bitcointalk bitcoin tier-nolan tiernolan block-size max-block-size random-block-size random proposal scalability scaling year-2015 transaction-fees confirmation-time confirmations reliability useless probably-useless

v2fjx5g5 2015-08-29T21:04:23+00:00 https://bitcointalk.org/index.php?topic=1100305.0 bitcointalk bitcoin tiernolan tier-nolan streaming-block-validation stream-validation streaming validation verification scalability scaling proposal year-2015 proof-of-publication proof-of-publication-blocks publication-chain mining

ocl5337w 2015-08-29T21:53:11+00:00 https://bitcointalk.org/index.php?topic=1488.0 bitcointalk bitcoin jgarzik year-2010 compression blockchain syncing syncup synchronization initial-download size bzip torrent torrenting bittorrent

6gnfgwgq 2015-08-29T21:58:35+00:00 https://bitcointalk.org/index.php?topic=3493.0 bitcointalk bitcoin jgarzik year-2011 pushpool mining mining-pool mining-pools proposal software

yhq72656 2015-08-29T22:00:55+00:00 https://bitcointalk.org/index.php?topic=4749.0 bitcointalk bitcoin jgarzik proposal transactions sequences year-2011 reliability deadlines fill-or-kill transaction-lifecycle transaction-lifetime transaction-life determinism limbo transaction-limbo

jeqzotqp 2015-08-29T22:02:00+00:00 https://bitcointalk.org/index.php?topic=117982.0 bitcointalk bitcoin jgarzik bittorrent torrent blockchain download synchronization syncing syncup

vgmdnnwt 2015-08-29T22:03:48+00:00 https://bitcointalk.org/index.php?topic=153170.0 bitcointalk bitcoin year-2013 hard-fork accidental-fork dataset data bdb leveldb bug fork jgarzik gavinandresen petertodd

xizl7w2w 2015-08-29T22:06:56+00:00 https://bitcointalk.org/index.php?topic=553333.0 bitcointalk bitcoin jgarzik mcp payment-channel software bitcore javascript js announcement

dxrrqrit 2015-08-29T22:07:37+00:00 https://bitcointalk.org/index.php?topic=156769.0 bitcointalk bitcoin jgarzik p2p udp NODE_UDP network protocol

cwpy5lig 2015-08-29T22:15:15+00:00 https://bitcointalk.org/index.php?topic=38336.0 bitcointalk bitcoin software announcement mysteryhex etotheipi python hex data identification guessing guess year-2011

wfqdnajx 2015-08-29T22:18:13+00:00 https://bitcointalk.org/index.php?topic=75111.0 bitcointalk bitcoin etotheipi merged-mining proposal migration migrating coin-migration upgrading bitcoin2 year-2012

5l6shv6f 2015-08-29T22:21:10+00:00 https://bitcointalk.org/index.php?topic=278992.0 bitcointalk bitcoin etotheipi gmaxwell locktime san-jose proposal nlocktime year-2013

fasmrljr 2015-08-29T22:26:33+00:00 https://bitcointalk.org/index.php?topic=97462.0 bitcointalk bitcoin scalability scaling etotheipi transactions transaction-size inputs single-signature hard-fork proposal size

ys533au2 2015-08-29T22:28:21+00:00 https://bitcointalk.org/index.php?topic=115084.0 bitcointalk bitcoin OP_BLOCKNUMBER locktime nlocktime year-2012 gavinandresen sipa pieter-wuille etotheipi blockheight transactions

nwiclicc 2015-08-29T22:31:27+00:00 https://bitcointalk.org/index.php?topic=153401.msg11329252#msg11329252 bitcointalk bitcoin jl2012 utxo utxosize utxodiff max-block-size block-size utxo-set-size utxo-set scalability scaling year-2015

yaivmfg7 2015-08-29T22:32:38+00:00 https://bitcointalk.org/index.php?topic=191003.0 bitcointalk bitcoin jl2012 OP_FEE opcodes script proposal transaction-fees SIGHASH_WITHINPUTVALUE SIGHASH_MULTIPLE SIGHASH sighash-types year-2013

w2chcred 2015-08-29T22:34:32+00:00 https://bitcointalk.org/index.php?topic=248297.0 bitcointalk bitcoin jl2012 max-block-size block-size year-2013 proposal proposals partial-validating-clients partially-validating-clients spv web-of-trust

fischvby 2015-08-29T22:35:47+00:00 https://bitcointalk.org/index.php?topic=252960.0 bitcointalk bitcoin sighash-types SIGHASH_MULTIPLE jl2012 proposal year-2013 SIGHASH_LIST

aihsfuk3 2015-08-29T22:36:39+00:00 https://bitcointalk.org/index.php?topic=212555.0 bitcointalk bitcoin SIGHASH_MULTIPLE SIGHASH_LIST sighash sighash-types jackjack year-2013 assurance-contracts hard-fork soft-fork jl2012

5vc4owur 2015-08-29T22:38:32+00:00 https://bitcointalk.org/index.php?topic=255145.msg2757327#msg2757327 bitcointalk bitcoin petertodd soft-forks opcodes new-opcodes year-2013 merklized-abstract-syntax-tree pieter-wuille sipa russell-oconnor OP_MAST_EVAL proposal OP_DOUBLEBYTE_BEGIN OP_NOTEQUAL merklized-abstract-syntax-trees merkle-trees merkle-tree cryptography data-structure abstract-syntax-tree

qd5ejlvk 2015-08-29T22:39:30+00:00 https://bitcointalk.org/index.php?topic=253385.0 bitcointalk bitcoin jl2012 OP_CHECKCOLORVERIFY soft-fork colored-coins colored-coin checkcolorverify smart-property scalability scaling proposal OP_CHECKCOLOR tiernolan tier-nolan SIGHASH_WITHINPUTVALUE OP_META merklized-abstract-syntax-trees petertodd merklized-abstract-syntax-tree

dembxuaq 2015-08-29T22:40:34+00:00 https://bitcointalk.org/index.php?topic=181734.20 bitcointalk bitcoin OP_CHECKFEEVERIFY OP_CHECKVALUE year-2013 SIGHASH_WITHINPUTVALUE proposal opcodes jl2012 petertodd etotheipi tiernolan tier-nolan

3ym5kqj2 2015-08-29T22:43:44+00:00 https://bitcointalk.org/index.php?topic=256516.0 bitcointalk bitcoin currency-divisibility divisibility decimals satoshis satoshi-BTC OP_PBTC picobtc soft-fork proposal year-2013

3pulccka 2015-08-29T22:44:57+00:00 https://bitcointalk.org/index.php?topic=257135.0 bitcointalk bitcoin jl2012 gmaxwell proof-of-work mixed-pow mixed-proof-of-work sha256 scrypt pow pow-migration

4gyws6ew 2015-08-29T22:47:40+00:00 https://bitcointalk.org/index.php?topic=258931.0 bitcointalk bitcoin proposals proposal jl2012 OP_PUSHSCRIPTSIG OP_PUSHINPUT OP_PUSHOUTPUT OP_CHECKSIG2 OP_CHECKSIG opcodes OP_EVAL2 OP_PUSHALLINPUTSWITHVALUE OP_PUSHTHISINPUTWITHVALUE OP_PUSHALLOUTPUTSWITHVALUE OP_PUSHINPUTWITHVALUEBYBITMAP OP_PUSHOUTPUTWITHVALUEBYBITMAP OP_PUSHINPUTWITHVALUEBYRANGE OP_PUSHOUTPUTWITHVALUEBYRANGE OP_PUSHINPUTWITHVALUE OP_PUSHOUTPUTWITHVALUE OP_JOIN OP_PUSHBLOCKHASH

g3q7zncc 2015-08-29T22:55:30+00:00 https://bitcointalk.org/index.php?topic=283746.0 bitcointalk bitcoin jl2012 proposal scalability scaling OP_AUX auxiliary-blocks auxiliary-block year-2013 aux-utxos aux-block aux-coins tiernolan tier-nolan gmaxwell petertodd soft-fork auxiliary extension-blocks extension-block pandoras-box

apwscjqr 2015-08-29T23:00:48+00:00 https://bitcointalk.org/index.php?topic=552624.0 bitcointalk bitcoin scalability scaling mini-blockchain transactions transaction-types account-balance-scheme account-balance transaction-outputs outputs output-approach account-balance-approach jl2012 protocol proposal year-2014

5ndqqvwr 2015-08-29T23:02:05+00:00 https://bitcointalk.org/index.php?topic=643964.0 bitcointalk bitcoin jl2012 block-witness fork-alert fork-alerting fork-alerts miners fork-detection proposal year-2014

gj3kubu3 2015-08-29T23:09:26+00:00 https://bitcointalk.org/index.php?topic=1070100.0 bitcointalk bitcoin chainwork chainwork-truncation gmaxwell jl2012 soft-fork not-even-a-soft-fork year-2015

f45naf5u 2015-08-29T23:11:13+00:00 https://bitcointalk.org/index.php?topic=1103281.0 bitcointalk bitcoin jl2012 tiernolan tier-nolan spv partially-validating-nodes partial-validating-nodes partial-validation fraud-proofs inflation false-minting double-spending merkle-sum-tree sum-tree merkle-tree merkle-paths year-2015 proposal scalability scaling

umsv5hzg 2015-08-29T23:13:14+00:00 https://bitcointalk.org/index.php?topic=1106586.0 bitcointalk bitcoin jl2012 proposal OP_RETURNTRUE OP_NOP soft-fork hard-fork tiernolan tier-nolan auxiliary-header soft-forks future-soft-forks fork-planning scalability scaling

otgoop2g 2015-08-30T00:03:29+00:00 https://bitcointalk.org/index.php?topic=1047212.0 bitcointalk bitcoin jl2012 gmaxwell compact-spv-proofs efficient-spv-proofs spv-proofs spv merkle-root blockheaders coinbase-transaction proposal sidechains

dk3r3mmd 2015-08-30T00:05:06+00:00 https://bitcointalk.org/index.php?topic=1129695.0 bitcointalk bitcoin tier-nolan tiernolan jl2012 utxo-revival utxo-pruning pruning revival utxo-commitments utxo-commitment year-2015

24fjl2sm 2015-08-30T00:07:17+00:00 https://bitcointalk.org/index.php?topic=1151698.0 bitcointalk bitcoin jl2012 proposal blockheaders blockheader data-structure spv merkle-sum-tree sum-tree compact-proofs compact-spv-proofs max-header-size header-size auxiliary-header auxiliary-data aux_data merkle-blocks year-2015 tier-nolan tiernolan

s6of6wmc 2015-08-30T00:09:39+00:00 https://bitcointalk.org/index.php?topic=363.0 bitcointalk bitcoin gavinandresen year-2010 testnet test-network network announcement release

h7kjewu6 2015-08-30T00:16:40+00:00 https://bitcointalk.org/index.php?topic=5187.0 bitcointalk bitcoin gavinandresen proposal paypal paypal-compatible api

pkxlnwwg 2015-08-30T00:19:40+00:00 https://bitcointalk.org/index.php?topic=6652.0 bitcointalk bitcoin gavinandresen cia cia-visit cia-headquarters cia-hq year-2011

bwld4st6 2015-08-30T00:28:09+00:00 https://bitcointalk.org/index.php?topic=49764.0 bitcointalk bitcoin gavinandresen OP_EVAL bip11 bip12 bip13 announcement year-2011

xqakazma 2015-08-30T00:29:56+00:00 https://bitcointalk.org/index.php?topic=60433.0 bitcointalk bitcoin gavinandresen bip17 p2sh year-2012 proposal pay-to-scripthash luke-jr luke-dashjr bip

mn3crjku 2015-08-30T00:33:34+00:00 https://bitcointalk.org/index.php?topic=61125.0 bitcointalk bitcoin gavinandresen bip16 bip17 luke-dashjr luke-jr bip12 multisig year-2012

sv4mempf 2015-08-30T00:34:04+00:00 https://bitcointalk.org/index.php?topic=61248.0 bitcointalk bitcoin bip16 gavinandresen

2ohz5p45 2015-08-30T00:36:08+00:00 https://bitcointalk.org/index.php?topic=62037.0 bitcointalk bitcoin gavinandresen luke-jr luke-dashjr poisonous toxic people people-problems drama

yonlk6ev 2015-08-30T00:38:46+00:00 https://bitcointalk.org/index.php?topic=92558.0 bitcointalk bitcoin gavinandresen gmaxwell blockheight bip34 bip coinbase-transactions bip30

qzxp5nxi 2015-08-30T00:41:12+00:00 https://bitcointalk.org/index.php?topic=108423.0 bitcointalk bitcoin gavinandresen OP_DROP scalability scaling opcode proposal year-2012 ultraprune ultrapruning scriptsigs scriptsig

z3b7syl3 2015-08-30T00:42:40+00:00 https://bitcointalk.org/index.php?topic=128442.0 bitcointalk bitcoin gavinandresen proposal bip70 bip payments invoices receipts year-2012 payment-protocol

tdyzu6z3 2015-08-30T00:43:40+00:00 https://bitcointalk.org/index.php?topic=635317.0 bitcointalk bitcoin payment-protocol gavinandresen x509 privacy

l5b2r6tf 2015-08-30T00:49:03+00:00 https://bitcointalk.org/index.php?topic=1790.msg28715#msg28715 bitcointalk bitcoin satoshi-nakamoto year-2010 bitdns merkle-tree namecoin dns domain-names

3bjisjoj 2015-08-30T01:02:10+00:00 https://bitcointalk.org/index.php?topic=34597.0 bitcointalk bitcoin mike-hearn dan-kaminsky scaling scalability banks centralization

vziwahny 2015-08-30T01:07:59+00:00 https://bitcointalk.org/index.php?topic=157130.0 bitcointalk bitcoin mike-hearn blacklists blacklist blacklisting year-2013

d66spxsh 2015-08-30T01:08:44+00:00 https://bitcointalk.org/index.php?topic=157141.0 bitcointalk bitcoin max-block-size block-size assurance-contract mike-hearn

wwjhowgx 2015-08-30T01:10:57+00:00 https://bitcointalk.org/index.php?topic=240103.0 bitcointalk bitcoin mike-hearn facebook friend-picker profile-photo keys-in-pics keys-in-photos proposal social-network pay-to-social-network-profile

twfrnopz 2015-08-30T01:12:08+00:00 https://bitcointalk.org/index.php?topic=300809.0 bitcointalk bitcoin mike-hearn bip70 bip71 bip72 payment-protocol overview review year-2013

xdzkghko 2015-08-30T01:21:52+00:00 https://bitcointalk.org/index.php?topic=274749.0 bitcointalk ad-injection code-injection ads advertisements theymos security forum

vnj4sbrp 2015-08-30T01:24:39+00:00 https://bitcointalk.org/index.php?topic=788142.0 bitcointalk theymos ddos ddos-protection denial-of-service security

ts34naga 2015-08-30T01:35:55+00:00 https://bitcointalk.org/index.php?topic=1491.0 bitcointalk bitcoin bitcoin-otc irc nanotube proposal announcement otc over-the-counter web-of-trust

7jmajnup 2015-08-30T01:36:32+00:00 https://bitcointalk.org/index.php?topic=8069.0 bitcointalk bitcoin nanotube culture poem song lyrics mining

r34x6ae6 2015-08-30T01:40:25+00:00 https://bitcointalk.org/index.php?topic=1786.0 bitcointalk bitcoin OP_BLOCKNUMBER must-spend-by must-spend revocable revocability time-limited nlocktime locktime year-2010 bytecoin proposal

z36bxn6c 2015-08-30T01:42:06+00:00 https://bitcointalk.org/index.php?topic=46538.0 bitcointalk bitcoin bytecoin proposal OP_EVAL year-2011 opcode

rfujqfo5 2015-08-30T01:43:24+00:00 https://bitcointalk.org/index.php?topic=327064.0 bitcointalk bitcoin bytecoin gavinandresen adam3us adam-back selfish-mining paper mining eyal sirer research

wfnmzy7l 2015-08-30T02:00:57+00:00 https://bitcointalk.org/index.php?topic=62558.0 bitcointalk bitcoin mike-caldwell casascius probabilistic-payments proposal scalability scaling year-2012

qupqnfqz 2015-08-30T02:05:13+00:00 https://bitcointalk.org/index.php?topic=127250.0 bitcointalk bitcoin casascius mike-caldwell bip38 bip password-protected private-key wallet security proposal year-2012

gz4lpjpx 2015-08-30T02:05:25+00:00 https://bitcointalk.org/index.php?topic=129317.0 bitcointalk bitcoin casascius mike-caldwell bip38 bip password-protected private-key wallet security proposal year-2012

3kxcf7e4 2015-08-30T03:00:03+00:00 https://bitcointalk.org/index.php?topic=30646.0 bitcointalk bitcoin libbitcoin amir-taaki genjix announcement open-source software

zafvt4fh 2015-08-30T13:59:11+00:00 https://bitcointalk.org/index.php?topic=7972.msg116285#msg116285 bitcointalk bitcoin year-2011 mike-hearn headers-only spv lightweight clients proposal outline

ztzwj2ug 2015-08-30T15:57:29+00:00 https://bitcointalk.org/index.php?topic=309073.0 bitcointalk bitcoin socrates1024 andrew-miller amiller non-outsourceable-puzzles non-outsourceable puzzles hosted-mining mining mining-pools zero-knowledge-porofs zero-knowledge cryptography gmaxwell year-2014

5yqhw2wr 2015-08-30T17:50:29+00:00 https://bitcointalk.org/index.php?topic=99631.0 bitcointalk bitcoin andrew-miller amiller socrates1024 theory decentralization proof-of-work security research year-2012

apfnh43j 2015-08-30T17:53:07+00:00 https://bitcointalk.org/index.php?topic=423596.0 bitcointalk bitcoin andrew-miller amiller proposal mixing zerocoin coinjoin anonymity mixcoin joinmarket mixes privacy year-2014 research paper

4mtlfmu7 2015-08-30T21:51:00+00:00 https://bitcointalk.org/index.php?topic=96644.msg1064601#msg1064601 bitcointalk bitcoin gmaxwell proof-of-treachery year-2012 scalability scaling proposal fraud-proofs

f23uohcq 2015-08-31T19:44:34+00:00 https://bitcointalk.org/index.php?topic=1106586.msg11773568#msg11773568 bitcointalk bitcoin tier-nolan tiernolan year-2015 OP_RETURNTRUE hard-fork merklized-abstract-syntax-trees merklized-abstract-syntax-tree merkle-trees merkle-tree p3sh p2sh opcodes OP_NOPs OP_NOP

pp4i75ap 2015-08-31T22:54:11+00:00 https://bitcointalk.org/index.php?topic=1083345.0 bitcointalk bitcoin treechains merged-mining merge-mining mining scalability scaling proposal onelineproof OP_SIDECHAINVERIFY opcodes opcode sub-chains year-2015

xkdh6lav 2015-09-01T00:44:00+00:00 https://bitcointalk.org/index.php?topic=473.0 bitcointalk bitcoin utxo-aging aging-utxo utxos aging pruning year-2010

scddjpx4 2015-09-01T01:07:34+00:00 https://bitcointalk.org/index.php?topic=5559.0 bitcointalk bitcoin privacy anonymity coin-selection year-2011 jim-hyslop

wk5dcila 2015-09-01T01:25:02+00:00 https://bitcointalk.org/index.php?topic=505.0 bitcointalk bitcoin bytecoin scalability scaling pruning blockchain accounts balances balance-sheets proposal year-2010

n6lds5su 2015-09-01T02:13:00+00:00 https://bitcointalk.org/index.php?topic=12348.0 bitcointalk bitcoin scalability scaling hans0 year-2011 chains transactions migration forced-migration

unfqnz5l 2015-09-01T02:58:11+00:00 https://bitcointalk.org/index.php?topic=25786.0 bitcointalk bitcoin payment-channels year-2011 proposal scalability scaling hashcoin payword micromint

dhb4a6bf 2015-09-01T03:04:00+00:00 https://bitcointalk.org/index.php?topic=10241.0 bitcointalk bitcoin security timejacking year-2011

iyflchpm 2015-09-01T03:06:33+00:00 https://bitcointalk.org/index.php?topic=47779.0 bitcointalk bitcoin luke-jr luke-dashjr year-2011 merged-mining merge-mining implementation merged-mine-proxy mining eligius

2qudp2qb 2015-09-01T03:09:50+00:00 https://bitcointalk.org/index.php?topic=48832.msg608577#msg608577 bitcointalk bitcoin etotheipi coin-selection year-2011

6x5kluac 2015-09-01T03:13:53+00:00 https://bitcointalk.org/index.php?topic=52949.0 bitcointalk bitcoin OP_CODESEPARATOR opcode year-2011 mike-hearn gavinandresen fivebells

tw6gkipt 2015-09-01T03:31:33+00:00 https://bitcointalk.org/index.php?topic=60911.0 bitcointalk bitcoin mtut merkle-tree MTUT scalability scaling proposal year-2012 DiThi dithi pruning

fyv5mraz 2015-09-01T04:26:40+00:00 https://bitcointalk.org/index.php?topic=52859.msg885838#msg885838 bitcointalk bitcoin etotheipi proposal merkle-tree utxos lite-nodes liteweight-nodes lightweight-nodes verification scalability scaling

3rdktse7 2015-09-01T04:28:29+00:00 https://bitcointalk.org/index.php?topic=86802.msg955147#msg955147 bitcointalk bitcoin namecoin merged-mining merge-mining example year-2012

n5td6w5c 2015-09-01T04:33:54+00:00 https://bitcointalk.org/index.php?topic=96029.0 bitcointalk bitcoin appecoin sergio-lerner altcoin zero-knowledge cryptography gmaxwell year-2012

ocku4ixq 2015-09-01T04:46:35+00:00 https://bitcointalk.org/index.php?topic=117663.0 bitcointalk bitcoin licensing dentldir licenses license blockchain data year-2012

kyct6y6c 2015-09-01T16:02:05+00:00 https://bitcointalk.org/index.php?topic=148038.0 bitcointalk bitcoin sergio-lerner security CVE-2012-4683 alerts denial-of-service

apr6iszz 2015-09-01T16:02:39+00:00 https://bitcointalk.org/index.php?topic=148109.0 bitcointalk bitcoin sergio-lerner security CVE-2012-4684 denial-of-service alerts malleability signatures cryptography year-2013 year-2012

boehdj6d 2015-09-01T16:03:39+00:00 https://bitcointalk.org/index.php?topic=144122.0 bitcointalk bitcoin sergio-lerner security CVE-2013-2293 denial-of-service year-2013

7mnuq23z 2015-09-01T16:04:59+00:00 https://bitcointalk.org/index.php?topic=150194.0 bitcointalk bitcoin proposal transaction-fees no-feeless-transactions fee-only bip draft year-2013 fees

nugwod76 2015-09-01T16:12:28+00:00 https://bitcointalk.org/index.php?topic=159014.0 bitcointalk bitcoin justusranvier ambition scalability scaling year-2013 goals

kl62rzto 2015-09-01T16:49:41+00:00 https://bitcointalk.org/index.php?topic=164655.0 bitcointalk bitcoin sergio-lerner proposal compression scalability scaling OP_CODESEPARATOR OP_COPY_SCRIPTSIG opcode opcodes year-2013

fkcjfb2d 2015-09-01T16:51:48+00:00 https://bitcointalk.org/index.php?topic=170298 bitcointalk bitcoin year-2013 privacy research paper sergio-lerner stephen-gornick mike-hearn elli-androulaki ghassan-karame marc-roeschlin tobias-scherer srdjan-capkun anonymity

7ehu2kxe 2015-09-01T17:05:33+00:00 https://bitcointalk.org/index.php?topic=88714.0 bitcointalk bitcoin shardcoin sharding year-2012 proposal scalability scaling meni-rosenfield ripper234 merged-mining blockchain chains side-chains

5wzmn5y4 2015-09-01T21:35:12+00:00 https://bitcointalk.org/index.php?topic=323443.0 bitcointalk bitcoin adam3us adam-back gmaxwell p2sh attack collision hash-collision p2sh-vanity-address p2sh-vanity vanity security cryptography year-2013

3w555lh7 2015-09-01T21:41:34+00:00 https://bitcointalk.org/index.php?topic=343234.0 bitcointalk bitcoin opcode opcodes OP_CHECKFEE offline-signing security proposal year-2013 ciyam petertodd

rlg6zhyk 2015-09-01T21:47:59+00:00 https://bitcointalk.org/index.php?topic=359984.0 bitcointalk bitcoin SIGHASH_NORMALIZED year-2013 transactions smart-contracts contracts cryddit conditional-transactions conditions mutually-conditional

gvemde2n 2015-09-01T21:53:18+00:00 https://bitcointalk.org/index.php?topic=355174.0 bitcointalk bitcoin andrew-miller amiller socrates1024 secure-multiparty-computation mpc cryptography computer-science paper year-2013

fv7jhmdo 2015-09-01T21:58:23+00:00 https://bitcointalk.org/index.php?topic=398041.0 bitcointalk bitcoin gmaxwell year-2014 loans risk-management loaning loan zero-knowledge cryptography

hpgd4cug 2015-09-01T22:02:23+00:00 https://bitcointalk.org/index.php?topic=244656.0 bitcointalk bitcoin mike-hearn bitcoinj payment-channels announcement year-2013 scalability scaling

ibxxwraz 2015-09-01T22:04:22+00:00 https://bitcointalk.org/index.php?topic=438726.0 bitcointalk bitcoin tiernolan tier-nolan payment-channels hubs hub-and-spoke scaling scalability year-2014

aukuw35i 2015-09-01T22:11:48+00:00 https://bitcointalk.org/index.php?topic=750.0 bitcointalk bitcoin satoshi-nakamoto year-2010 escrow

c4mwfp47 2015-09-01T22:13:14+00:00 https://bitcointalk.org/index.php?topic=493475.0 bitcointalk bitcoin olalonde proof-of-solvency blind non-fractional nonfractional year-2014

aio64qe3 2015-09-01T22:16:18+00:00 https://bitcointalk.org/index.php?topic=516531.0 bitcointalk bitcoin dual-snark snarks snark zero-knowledge cryptography gmaxwell year-2014 tursted-setup trustless

6d6kwsqu 2015-09-01T22:22:31+00:00 https://bitcointalk.org/index.php?topic=577242.0 bitcointalk bitcoin sergio-lerner year-2014 mining-pools mining miners backbone protocol network p2pool threshold-cryptography

3l7cvwyq 2015-09-01T22:31:07+00:00 https://bitcointalk.org/index.php?topic=632412.0 bitcointalk bitcoin merged-mining limits scaling scalability deathandtaxes maaku logarithmic merkle-trees merkle-tree year-2014

orkn27ri 2015-09-01T22:32:57+00:00 https://bitcointalk.org/index.php?topic=626377.0 bitcointalk bitcoin sergio-lerner security cryptography mining oblivious-shares zero-knowledge shares mining-pools meni-rosenfield blockheader data-structure proposal year-2014

7kkf2v2w 2015-09-01T23:01:20+00:00 https://bitcointalk.org/index.php?topic=566704.msg6174127#msg6174127 bitcointalk bitcoin year-2014 sidechains notes overview summary svp blockstream scalability scaling

7bohkhur 2015-09-01T23:06:21+00:00 https://bitcointalk.org/index.php?topic=752260.0 bitcointalk bitcoin year-2014 sundance mixing anonymity privacy unequal-inputs byzantine-cycle-mode coinshift andytoshi gmaxwell research paper

f3smaacq 2015-09-01T23:10:21+00:00 https://bitcointalk.org/index.php?topic=713919.0 bitcointalk bitcoin utxos utxo-certificates utxo-certificate ecdsa x509 certificates certs certificate tls bearer-bond utxoc proposal year-2014

weorx2ag 2015-09-01T23:12:13+00:00 https://bitcointalk.org/index.php?topic=326559.0 bitcointalk bitcoin eb3full year-2013 selfish-mining simulator simulation bounty mining

ukeyc7sc 2015-09-01T23:16:32+00:00 https://bitcointalk.org/index.php?topic=766893.0 bitcointalk bitcoin petertodd gmaxwell OP_CHECKLOCKTIMEVERIFY OP_CLTV nlocktime timelock nlockheight locktime checklocktimeverify year-2014

74oxpty7 2015-09-01T23:23:39+00:00 https://bitcointalk.org/index.php?topic=814935.0 bitcointalk bitcoin olalonde proof-of-solvency vulnerability security andytoshi charlescharles year-2014 non-fractional iwilcox

ntk2taz2 2015-09-01T23:25:03+00:00 https://bitcointalk.org/index.php?topic=154290.0 bitcointalk bitcoin hal-finney trusted-computing bcflick security cryptography wallets announcement

opeposow 2015-09-01T23:31:26+00:00 https://bitcointalk.org/index.php?topic=586832.msg6478781#msg6478781 bitcointalk bitcoin petertodd treechains scalability scaling spv security side-chains 2-way-peg sidechains mining inflation-fraud fraud-proofs fraud year-2014 elaboration

6rmyiq2i 2015-09-01T23:35:14+00:00 https://bitcointalk.org/index.php?topic=838955.0 bitcointalk bitcoin vanitygen steganography cryptography multisig fake-public-keys grinding ciyam year-2014 signature-mining OP_RETURN without-OP_RETURN

ikvqc37u 2015-09-01T23:44:05+00:00 https://bitcointalk.org/index.php?topic=874313.0 bitcointalk bitcoin taek jl2012 year-2014 block-size max-block-size soft-fork extension-block extended-block auxiliary-block OP_AUX proposal scalability scaling

hg35epd7 2015-09-01T23:45:07+00:00 https://bitcointalk.org/index.php?topic=873762.0 bitcointalk bitcoin bip10 status armory year-2014

scnyxzo2 2015-09-01T23:49:30+00:00 https://bitcointalk.org/index.php?topic=831527.0;all bitcointalk bitcoin sidechains blockstream paper research year-2014 scalability scaling

6z3uh5pw 2015-09-01T23:55:42+00:00 https://bitcointalk.org/index.php?topic=440572.0 bitcointalk bitcoin oleganza ecdsa cryptography blind-signatures year-2014 paper

53imvsna 2015-09-02T00:01:30+00:00 https://bitcointalk.org/index.php?topic=550299.0 bitcointalk bitcoin trusted-setup threshold-signatures cryptography wallets security signatures thresholds threshold research stevenag year-2014

2ysi6a23 2015-09-02T00:05:39+00:00 https://bitcointalk.org/index.php?topic=1007831.0 bitcointalk bitcoin stephen-morse proposal soft-fork OP_NOPs OP_NOP opcodes OP_METAOP OP_SCHNORRCHECKSIG OP_SCHNORRCHECKSIGVERIFY OP_V1EXEC OP_V2EXEC year-2015 soft-forks soft-forking extension soft-fork-extension

b4mgzxoi 2015-09-02T00:20:42+00:00 https://bitcointalk.org/index.php?topic=303088.0 bitcointalk bitcoin gmaxwell year-2013 p2sh malleability malleability-recovery recovery refund-transactions escrow transaction-malleability give-hash-only proposal solution salvaging refunds refund

dhbzjqsb 2015-09-02T00:24:09+00:00 https://bitcointalk.org/index.php?topic=1036208.0 bitcointalk bitcoin year-2015 lightning-network emulation escrow payment-channels cjp scalability scaling htlc hashed-timelock-transactions OP_CHECKSIGDATAVERIFY opcode opcodes opcode-proposal amiko-pay proposal

hvjhluvm 2015-09-02T00:26:08+00:00 https://bitcointalk.org/index.php?topic=192880.0 bitcointalk bitcoin year-2013 announcement alternative-implementation btcd golang go marco-peereboom

zu6mss74 2015-09-02T00:31:19+00:00 https://bitcointalk.org/index.php?topic=970822.0 bitcointalk bitcoin year-2015 lightning-network payment-channels hub-and-spoke paper scalability scaling announcement

bgb5czwq 2015-09-02T00:34:56+00:00 https://bitcointalk.org/index.php?topic=1067693.msg11446462#msg11446462 bitcointalk bitcoin year-2015 gmaxwell soft-forking soft-forks soft-fork version-bits explanation elaboration

4ifisua3 2015-09-02T00:37:57+00:00 https://bitcointalk.org/index.php?topic=1077994.0 bitcointalk bitcoin year-2015 gmaxwell andytoshi borromean-ring-signatures borromean borromean-ringsig ringsig ring-signatures ringsigs ring-signature monotone-functions monotone cryptography math

rvawu7hv 2015-09-02T00:40:04+00:00 https://bitcointalk.org/index.php?topic=1085271.0 bitcointalk bitcoin year-2015 gmaxwell blockstream sidechains elements alpha sidechain elementsproject fedpeg federated-peg announcement cryptography sandbox experimentation scalability scaling implementation

ydygq7qe 2015-09-02T00:45:30+00:00 https://bitcointalk.org/index.php?topic=567625.0 bitcointalk bitcoin year-2014 tim-ruffing pedro-moreno-sanches aniket-kate saarland-university research coinshuffle mixing coin-mixing privacy anonymity coinjoin

243czeiw 2015-09-02T00:48:47+00:00 https://bitcointalk.org/index.php?topic=1085273.0 bitcointalk bitcoin year-2015 confidential-transactions gmaxwell transactions privacy borromean-ring-signature borromean-ringsig borromean range-proofs range-proof anonymity amounts cryptography blockstream

ghbj5lur 2015-09-02T01:02:44+00:00 https://bitcointalk.org/index.php?topic=893898.msg9841502#msg9841502 bitcointalk bitcoin cryptography year-2014 gmaxwell adam3us adam-back sergio-lerner subliminal-channels ecdsa math interactive-protocol

cczzcvkt 2015-09-03T02:02:21+00:00 https://bitcointalk.org/index.php?topic=1103281.msg11743498#msg11743498 bitcointalk bitcoin tier-nolan tiernolan fraud-proofs merkle-tree merkle-trees merkle-sum-tree merkle-sum-trees fraud-proof inflation fees false-minting anti-inflation utxo-commitments invalid-signature merkle-paths merkle-path year-2015 enumerated enumeration

q6d4ulr6 2015-09-04T00:59:41+00:00 https://bitcointalk.org/index.php?topic=1169915.msg12322685#msg12322685 bitcointalk bitcoin gmaxwell year-2015 block-time interblock interblock-target interblock-time block-interval variance convergence

jajlccf5 2015-09-04T01:01:23+00:00 https://bitcointalk.org/index.php?topic=260180.msg2775695#msg2775695 bitcointalk bitcoin gmaxwell year-2013 block-time blocktime convergence interblock-target interblock-time block-interval

vlhxpvdj 2015-09-04T01:03:37+00:00 https://bitcointalk.org/index.php?topic=174266.msg1814137#msg1814137 bitcointalk bitcoin year-2013 gmaxwell convergence interblock-time block-time spv block-rate latency

pq2acybz 2015-09-04T04:26:56+00:00 https://bitcointalk.org/index.php?topic=997125.msg10835817#msg10835817 bitcointalk bitcoin andytoshi andrew-poelstra proof-of-stake sidechains adaptors adaptor adaptor-sidechain

q7ezlpn2 2015-09-04T14:36:24+00:00 https://bitcointalk.org/index.php?board=6.0 bitcointalk bitcoin technical technical-forum

mzaltggk 2015-09-09T02:30:52+00:00 https://bitcointalk.org/index.php?topic=314467.0 bitcointalk bitcoin scalability scaling optimization proposal petertodd gmaxwell txo-commitments utxos utxo wallets utxo-commitments merkle-mountain-range merkle-tree merkle-trees fraud-proofs

frytuql3 2015-06-27T15:41:33+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2015-June/008603.html bitcoin bitcoin-development mailing-list linuxfoundation bryan-bishop kanzure proposals block-size max-block-size email

as5nu6kx 2015-08-06T15:36:06+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2015-August/009959.html bitcoin-dev mailing-list bitcoin block-size max-block-size gavinandresen sipa spv mining miners collusion centralization decentralization email

vk275tc5 2015-08-09T23:07:05+00:00 http://lists.linuxfoundation.org/pipermail/lightning-dev/2015-July/000018.html lightning-dev lightning-network lightning bitcoin routing payments re-routing HTLC joseph-poon

jgjmlpvt 2015-08-09T23:08:10+00:00 http://lists.linuxfoundation.org/pipermail/lightning-dev/2015-July/000019.html lightning-dev lightning-network lightning bitcoin routing payments payment-channels networking network route-discovery source-routing onion-routing route-querying querying path-finding BGP rusty-russell beacons network-topology

bdbwep5u 2015-08-09T23:10:55+00:00 http://lists.linuxfoundation.org/pipermail/lightning-dev/2015-July/000023.html lightning-dev lightning-network lightning bitcoin routing payments payment-channels networking network route-discovery path-finding CJP privacy neighbors nodes network-graph censorship timeout timeouts routing-tables

rvovekdw 2015-08-10T22:03:28+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2015-August/010119.html bitcoin-dev bitcoin mailing-list email gmaxwell trustlessness trustless trust definitions definition security philosophy

dafnya53 2015-08-13T13:03:24+00:00 https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2015-August/010198.html bitcoin bitcoin-dev mailing-list email CHECKSEQUENCEVERIFY bip proposal opcode relative-locktime relative locktime sequences sequence nSequence nsequence soft-fork maaku btcdrak

jf6urkyr 2015-08-13T13:10:19+00:00 http://lists.linuxfoundation.org/mailman/listinfo/sidechains-dev linuxfoundation mailing-list sidechains sidechains-dev blockstream bitcoin development programming engineering

7m6ls7vj 2015-08-13T13:10:40+00:00 https://lists.linuxfoundation.org/mailman/listinfo/bitcoin-dev bitcoin-dev bitcoin development programming engineering open-source software mailing-list linuxfoundation

j7ngyfkl 2015-08-17T20:01:45+00:00 https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2013-April/002433.html bitcoin-dev bitcoin jeremy-spilman transactions multisig micropayment-channels payment-channels

jmilg2sa 2015-08-17T20:03:24+00:00 http://lists.linuxfoundation.org/pipermail/lightning-dev/2015-July/000021.html bitcoin lightning-networks lightning-dev mailing-list email rusty-russell OP_LOCKTIMEVERIFY locktimeverify OP_CHECKSEQUENCEVERIFY OP_CSV checksequenceverify HTLCs hashed-timelock-contracts timelock contracts transactions commitments revocation lightning OP_CLV cryptography

syvoyv6m 2015-08-17T21:41:09+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2015-August/010343.html petertodd bitcoin-dev bitcoin mailing-list email full-nodes incentives nodes p2p validation blockchain blocks spv simplified-payment-verification sybil-attacks sybil fraud-proofs fraud-proof

5jw24wpi 2015-08-28T20:50:38+00:00 https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2015-May/008017.html bitcoin-dev bitcoin mailing-list email maaku flexcap block-size max-block-size proposal

t5t63bdb 2015-08-30T02:48:22+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/ bitcoin bitcoin-dev mailing-list email archives archive mailman pipermail open-source software development engineering research linuxfoundation

fkedoa2e 2015-08-30T02:52:15+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2011-June/000063.html bitcoin bitcoin-dev mailing-list email john-smith hash-map scalability scaling accounts addresses balances proposal year-2011

am42vee4 2015-08-30T02:55:08+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2011-June/000072.html bitcoin bitcoin-dev mailing-list email full-disclosure doug-huff security vulnerability mtgox trading matching-engine exchange hilarious comedy bug

cdtx3rke 2015-08-30T02:58:33+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2011-July/000144.html bitcoin bitcoin-dev mailing-list email sipa pieter-wuille version-bytes versions protocol standardization

pzkpqmdq 2015-08-30T03:10:50+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2011-August/000398.html bitcoin bitcoin-dev mailing-list email sipa pieter-wuille OP_BITCOUNT proposal opcodes disabled-opcodes year-2011

i7m3b5at 2015-08-30T03:13:02+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2011-September/000458.html bitcoin bitcoin-dev mailing-list email gavinandresen skip-verification syncup synchronization initial-download verification skipping scalability optimization scaling year-2011 pull-request

5pjcanpe 2015-08-30T03:13:44+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2011-September/000459.html bitcoin bitcoin-dev mailing-list email gavinandresen optimization database writes transactions txins inputs pull-request year-2011

ukyjvp3k 2015-08-30T03:16:39+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2011-September/000533.html bitcoin bitcoin-dev mailing-list email gavinandresen pull-request github misbehaving-peers peers p2p protocol network anti-dos banning year-2011

57glgkdn 2015-08-30T03:17:24+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2011-September/000554.html bitcoin bitcoin-dev mailing-list email amir-taaki zgenjix bitcoin-enhancement-proposals bips bitcoin-improvement-proposals announcement year-2011

qmkzc6hs 2015-08-30T03:19:24+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2011-September/000615.html bitcoin bitcoin-dev mailing-list email gavinandresen multisig bip11 bip12 bip13

k7tpedl6 2015-08-30T03:26:23+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2011-December/000812.html bitcoin bitcoin-dev mailing-list email amir-taaki bip15 bip70 payment-protocol bip proposal

hhn7s6wv 2015-08-30T13:29:10+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2011-December/000997.html bitcoin bitcoin-dev mailing-list email roconnor OP_EVAL OP_CODEHASH proposal russell-oconnor OP_CHECKEDEVAL year-2011

7vxiiph2 2015-08-30T13:30:38+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2012-January/001018.html bitcoin bitcoin-dev mailing-list email year-2011 elden-tyrell pruning merkle-tree utxos scaling scalability transaction-pruning stubbing bandwidth proposal

tmnmz2so 2015-08-30T13:33:39+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2012-January/001066.html bitcoin bitcoin-dev mailing-list email year-2012 gavinandresen isstandard scriptsigs scriptsig extra-data inputs malleability

uiazrly3 2015-08-30T13:39:21+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2012-January/001069.html bitcoin bitcoin-dev mailing-list email year-2012 alberto-torres merkle-tree utxos mtut merkle-tree-of-utxos utxo-merkle-tree pruning prunability proposal scaling scalability dithi hash-tree blockheaders merkle-root MTUO mtuo elden-tyrell

s3fznm73 2015-08-30T13:39:59+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2012-February/001164.html bitcoin bitcoin-dev mailing-list email year-2012 michael-gronager gmaxwell libbitcoin optimization speedup fsync berkeleydb bdb threading async speed scalability scaling

h7gokqil 2015-08-30T13:43:56+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2012-February/001265.html bitcoin bitcoin-dev mailing-list email year-2012 sipa pieter-wuille duplicate-transactions vulnerability security txid collisions bip30 bip

smndwtvh 2015-08-30T13:45:59+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2012-March/001293.html bitcoin bitcoin-dev mailing-list email year-2012 watson-ladd opcode opcodes OP_CHECKEXPSIG hash-locked-transactions hashlock hashlocked proposal blinding lamport-signature gmaxwell

tzulfzpn 2015-08-30T13:51:19+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2012-April/001383.html bitcoin bitcoin-dev mailing-list email year-2012 jgarzik transactions mempool reliability predictability limbo expiry expiration fill-or-kill proposal

r4a4i7b4 2015-08-30T13:55:44+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2012-April/001402.html bitcoin bitcoin-dev mailing-list email year-2012 petertodd proposal trusted-identities identities reputation trust proof-of-burn zeroconf

7h2lxlat 2015-08-30T13:57:06+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2012-April/001408.html bitcoin bitcoin-dev mailing-list email year-2012 rebroad blockheaders syncup synchronization download downloading optimization speedup blockhash

42nn56sb 2015-08-30T13:59:50+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2012-May/001469.html bitcoin bitcoin-dev mailing-list email year-2012 jgarzik empty-blocks punishment punishing blocks empty penalty discussion proposal

uho6kxr6 2015-08-30T14:03:58+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2012-June/001518.html bitcoin bitcoin-dev mailing-list email year-2012 mike-hearn gmaxwell pruning blockheaders post-pruning blockchain storage optimization

6rma2fhh 2015-08-30T14:04:34+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2012-June/001529.html bitcoin bitcoin-dev mailing-list email year-2012 alan-reiner etotheipi bip10 criticism

zmb5n4jr 2015-08-30T14:06:16+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2012-June/001533.html bitcoin bitcoin-dev mailing-list email year-2012 mike-hearn scalability scaling pruning satoshidice fees transaction-fees

jsbq5arn 2015-08-30T14:11:23+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2012-June/001550.html bitcoin bitcoin-dev mailing-list email year-2012 gmaxwell mike-hearn scaling scalability proposals flip-the-chain commitments block-size max-block-size

4zet3ubf 2015-08-30T14:14:23+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2012-June/001589.html bitcoin bitcoin-dev mailing-list email year-2012 alan-reiner etotheipi petertodd ultimate-blockchain-compression ultimate-compression compression trust-free lite-nodes verification utxos hash-tree validation memoryless full-validation pruning merkle-tree

bmyygzps 2015-08-30T14:15:15+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2012-June/001598.html bitcoin bitcoin-dev mailing-list email year-2012 gmaxwell blocks validation-time verification-time relay-first block-preview relaying faster-relaying optimization proposal

zjkfrrzs 2015-08-30T14:18:55+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2012-June/001632.html bitcoin bitcoin-dev mailing-list email year-2012 mike-hearn gmaxwell inflation-resistance spv fraud-proofs scalability scaling blockheaders proposal

4sqwlawh 2015-08-30T14:20:29+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2012-July/001645.html bitcoin bitcoin-dev mailing-list email year-2012 sipa pieter-wuille ultraprune pruning ultrapruning validation utxos pruned proposal announcement optimization scalability scaling implemented

usdmvg4g 2015-08-30T14:23:51+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2012-August/001790.html bitcoin bitcoin-dev mailing-list email year-2012 matt-corallo bluematt bloom-filter bloom-filters spv optimization scalability scaling

xgnbdswy 2015-08-30T14:25:09+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2012-August/001806.html bitcoin bitcoin-dev mailing-list email year-2012 full-disclosure security vulnerability CVE-2012-2459 merkle-hash merkle-root blockheader be8651d

fl4sorea 2015-08-30T14:29:04+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2012-September/001838.html bitcoin bitcoin-dev mailing-list email year-2012 jgarzik atomic-coin-swapping atomic-coin-swaps colored-coins distributed-bonds pybond coin-swaps swapping atomic-swapping atomic-swaps coin-swapping SIGHASH_ALL

ajjmcqix 2015-08-30T14:31:03+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2012-October/001897.html bitcoin bitcoin-dev mailing-list email year-2012 gmaxwell electrum security

uoaczyyx 2015-08-30T14:32:56+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2012-October/001934.html bitcoin bitcoin-dev mailing-list email year-2012 mike-hearn matt-corallo bluematt bip37 bloom-filter bloom-filters bloom-filtering

cupbpavz 2015-08-30T14:33:40+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2012-November/001960.html bitcoin bitcoin-dev mailing-list email year-2012 gmaxwell electrum security follow-up

afvise3j 2015-08-30T14:34:48+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2012-November/001968.html bitcoin bitcoin-dev mailing-list email year-2012 gavinandresen payment-protocol bip70 bip payments invoices receipts

ky7rhzly 2015-08-30T14:38:12+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2012-December/002031.html bitcoin bitcoin-dev mailing-list email year-2012 michael-gronager ceptacle satoshi-dust dust chain-vacuuming utxos utxo-expiration utxo-pruning satoshidice demurrage unmoved-coins old-coins old-utxos coin-age coin-aging utxo-aging utxo-set utxo-set-size proposal pruning escheatment garbage-collect garbage-collection

eqnzpvga 2015-08-30T14:45:32+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2013-February/002177.html bitcoin bitcoin-dev mailing-list email year-2013 petertodd block-size max-block-size fidelity-bonds fidelity-bonded fidelity-bonding security 1GB-blocks gigablocks gigabyte-blocks fraud-proofs

t4riu532 2015-08-30T14:48:22+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2013-February/002170.html bitcoin bitcoin-dev mailing-list email year-2013 gmaxwell block-size max-block-size centralization decentralization

udhgolei 2015-08-30T14:51:44+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2013-February/002186.html bitcoin bitcoin-dev mailing-list email year-2013 gmaxwell petertodd fee-sniping fees orphans orphan-blocks orphan-block mining fee-snipe miners low-subsidy nlocktime-immaturity nlocktime-immature block-size max-block-size

6j6qkegx 2015-08-30T14:53:50+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2013-February/002189.html bitcoin bitcoin-dev mailing-list email year-2013 petertodd fidelity-bonded-ledgers fidelity-bonded fidelity-bonds fidelity-bond OP_CHECK_DOUBLE_SPEND_PROOF opcode opcodes proposal OP_CHECK_PAYMENT merkle-sum-tree sum-tree chaum chaum-token OP_CHECK_SCRIPT_VERSION unspent-chaum-tokens unspent-chaum-token-redemption-opcode unspent-chaum-token-redemption

m3nmpl6e 2015-08-30T14:56:50+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2013-March/002199.html bitcoin bitcoin-dev mailing-list email year-2013 petertodd utxos merkle-sum-tree sum-tree fraud-notices spv censorship chaum chaum-token fraud-proofs block-size max-block-size censorship-resistance

lthiduvl 2015-08-30T15:01:07+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2013-April/002394.html bitcoin bitcoin-dev mailing-list email year-2013 petertodd utxos merkle-tree txouts txins transactions pruning proposal scalability scaling

pqvwbe63 2015-08-30T15:07:22+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2013-May/002564.html bitcoin bitcoin-dev mailing-list email year-2013 petertodd proposal scalability scaling hashcash partial-transaction merkle-path pow-blockheader probabilistic-payments powpay pow-withholding withholding block-size max-block-size txout-hashcash txouts

we7hsx3e 2015-08-30T15:14:09+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2013-July/002857.html bitcoin bitcoin-dev mailing-list email year-2013 adam-back adam3us libzerocoin matthew-green ian-miers announcement privacy cryptography zerocoin probabilistic-verification verification

ui2yv4nj 2015-08-30T15:15:17+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2013-July/002917.html bitcoin bitcoin-dev mailing-list email year-2013 petertodd spv spv-quickstart spv-node bloom-filters bloom-filter security

xxy3ro5a 2015-08-30T15:16:49+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2013-July/002976.html bitcoin bitcoin-dev mailing-list email year-2013 tier-nolan tiernolan low-pow relaying relay-policy blocks low-pow-headers blockheaders forks proposal

smwb5thq 2015-08-30T15:24:06+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2013-September/003275.html bitcoin bitcoin-dev mailing-list email year-2013 petertodd near-block blocks proof-of-propagation reliability proposal transactions transaction-propagation propagation transaction-fees transaction-fee fees fee miners near-blocks difficulty utxo-commitments bloom-filter-match-withholding roposal

fg6hb6gd 2015-08-30T15:27:23+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2013-October/003421.html bitcoin bitcoin-dev mailing-list email year-2013 petertodd miners fees fee transaction-fees transaction-fee fee-estimation proposal

qjln7jvw 2015-08-30T15:28:14+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2013-November/003533.html bitcoin bitcoin-dev mailing-list email year-2013 petertodd replace-by-fee replace-for-fee empool reliability transactions

etyaa3tw 2015-08-30T15:30:32+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2013-November/003596.html bitcoin bitcoin-dev mailing-list email year-2013 matt-corallo bluematt relaynode announcement relay relaying high-speed

l3bageat 2015-08-30T15:33:33+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2013-November/003714.html bitcoin bitcoin-dev mailing-list email year-2013 petertodd timestamping proof-of-publication mining validation scalability scaling anti-double-spend utxo-commitments utxos proposal proposals proof-of-consent

pbwo3o2w 2015-08-30T15:34:38+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2013-November/003748.html bitcoin bitcoin-dev mailing-list email year-2013 petertodd proof-of-storage proposal storage data

embp4vc3 2015-08-30T15:36:39+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2014-January/004007.html bitcoin bitcoin-dev mailing-list email year-2014 gmaxwell bytecoin payment-protocol privacy

wcxa7m3k 2015-08-30T15:38:27+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2014-January/004020.html bitcoin bitcoin-dev mailing-list email year-2014 petertodd stealth-addresses proposal bytecoin

e633ltxz 2015-08-30T15:39:58+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2014-January/004134.html bitcoin bitcoin-dev mailing-list email year-2014 daniel-fraga child-pays-for-parent proposal

3x6zl4q7 2015-08-30T15:42:59+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2013-December/003921.html bitcoin bitcoin-dev mailing-list email year-2013 maaku hash-tree merkle-hash-tree ultimate-blockchain-compression compression merkle-compressed-data-structure bip proposal trie-prefix-tree-data-structure binary-prefix-tree proof-updatable-hashing utxo-commitments

ppbmwcgj 2015-08-30T15:46:14+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2014-February/004270.html bitcoin bitcoin-dev mailing-list email year-2014 petertodd adam3us adam-back gmaxwell reusable-addresses addresses identity-based-encryption weil-pairing

n4vhnml5 2015-08-30T15:50:36+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2014-March/004724.html bitcoin bitcoin-dev mailing-list email year-2014 adam-back adam3us 1-way-pegging 2-way-pegging sidechains sidechain spv-proof pegging fraud-proof fiat-shamir-transform private-chains private-chain zero-knowledge proposal scalability scaling

nrbmg3nr 2015-08-30T15:51:41+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2014-March/004727.html bitcoin bitcoin-dev mailing-list email year-2014 maaku compact-spv-proofs spv-proofs blockheader-commitments commitments hash-tree blockheaders 2-way-pegging sidechains headers-first scalability scaling proposal

y56klesp 2015-08-30T15:55:49+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2014-March/004797.html bitcoin bitcoin-dev mailing-list email year-2014 petertodd treechains tree-chains scalability scaling proposal binary-radix-tree merkle-root merkle-tree child-chains overview

a2srk6gz 2015-08-30T15:58:12+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2014-March/004813.html bitcoin bitcoin-dev mailing-list email year-2014 petertodd proof-of-reserves moon-math merkle-tree merkle-sum-tree sum-tree proposal privacy

tfr5hpvd 2015-08-30T16:04:19+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2014-April/005284.html bitcoin bitcoin-dev mailing-list email year-2014 tier-nolan tiernolan tree-chains treechains

5ox2hztf 2015-08-30T16:05:14+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2014-April/005504.html bitcoin bitcoin-dev mailing-list email year-2014 jtimon jorge-timon child-pays child-pays-for-parent replace-by-fee

ieszuacx 2015-08-30T16:06:48+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2014-April/005546.html bitcoin bitcoin-dev mailing-list email year-2014 tier-nolan tiernolan hash-locked hashlock hashlocked hash-lock transactions proposal hash

adjcpe2r 2015-08-30T16:08:59+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2014-April/005620.html bitcoin bitcoin-dev mailing-list email year-2014 petertodd replace-by-fee scorched-earth payments transactions SIGHASH_ANYONECANPAY

4wbwokh2 2015-08-30T16:11:16+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2014-May/005898.html bitcoin bitcoin-dev mailing-list email year-2014 gmaxwell network optimization bitcoin-core sleep semaphores semaphore p2p protocol optimizing

aykgypwu 2015-08-30T16:12:02+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2014-June/005958.html bitcoin bitcoin-dev mailing-list email year-2014 petertodd proposal timelock encryption cryptography ncentives timelocked timelocking

te4qbalt 2015-08-30T16:20:12+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2014-July/006288.html bitcoin bitcoin-dev mailing-list email year-2014 kaz-wesley proposal redundancy redundant-transactions redundants blocks propagation efficiency optimization

oarn2xrv 2015-08-30T16:22:01+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2014-August/006438.html bitcoin bitcoin-dev mailing-list email year-2014 petertodd SIGHASH_ANYONECANPAY denial-of-service security vulnerability extra-inputs inputs relaying relay replace-by-fee writeup

xiy7bpaa 2015-08-30T16:25:33+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2014-October/006662.html bitcoin bitcoin-dev mailing-list email year-2014 petertodd checklocktimeverify OP_CHECKLOCKTIMEVERIFY OP_CLTV bip draft proposal expiration expiry txouts outputs transaction paypub payment-channels scalability scaling

s7sqfzvq 2015-08-30T16:28:33+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2014-November/006878.html bitcoin bitcoin-dev mailing-list email year-2014 petertodd SIGHASH_SINGLE bug consensus consensus-critical security carefulness code-review cautionary-tale

67fuk64i 2015-08-30T16:32:33+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2014-December/006994.html bitcoin bitcoin-dev mailing-list email year-2014 petertodd zookeyv proof-of-sacrifice proof-of-burn burn-mining sidechains zerocoin censorship-resistance

jfdhee7d 2015-08-30T16:33:19+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2014-December/006982.html bitcoin bitcoin-dev mailing-list email year-2014 petertodd proof-of-publication timestamping proof-of-receipt proof-of-non-publication proof-of-membership

ll6yc3pi 2015-08-30T16:34:13+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2014-December/006988.html bitcoin bitcoin-dev mailing-list email year-2014 petertodd payment-channels micropayments hub-and-spoke hubs trustless OP_CHECKLOCKTIMEVERIFY OP_CLTV payments multi-hop multi-hub scalability scaling

nj4eeh54 2015-08-30T16:37:44+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2015-January/007089.html bitcoin bitcoin-dev mailing-list email year-2015 nathan-cook payment-channels bi-directional micropayments OP_CHECKLOCKTIMEVERIFY OP_CLTV proposal scalability scaling topynate

awk6v5vp 2015-08-30T16:39:24+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2015-January/007097.html bitcoin bitcoin-dev mailing-list email year-2015 gmaxwell openssl incompatibility security bug consensus forking announcement

5kr4p3xr 2015-08-30T16:40:58+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2015-January/007185.html bitcoin bitcoin-dev mailing-list email year-2015 slush SIGHASH_WITHINPUTVALUE proposal sighash sighash-types

y2ys2tv3 2015-08-30T16:42:44+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2015-February/007404.html bitcoin bitcoin-dev mailing-list email year-2015 petertodd replace-by-fee writeup fees fee transaction-fees transaction-fee mempool reliability

rcmdgaq7 2015-08-30T17:05:04+00:00 http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2015-March/007626.html bitcoin bitcoin-dev mailing-list email year-2015 andrew-miller amiller socrates1024 research-perspectives research paper cryptocurrency science folk-lore arvind-narayanan jeremy-clark ed-felten josh-kroll systemization security announcement

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ghnk6tzp 2014-10-03T00:16:07+00:00 https://gist.github.com/atweiden/7272732 bitcoin electrum multisig gist github escrow tutorial example

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d4t5bvaq 2014-10-11T18:51:44+00:00 https://github.com/blinktrade/bitex blinktrade bitex bitcoin exchange open-source software git github python google-compute-engine gpl

vxs3spq3 2014-10-14T04:36:30+00:00 https://github.com/bitpay/bitcoind.js bitpay bitcoin bitcoind.js bitcoind bindings nodejs node javascript js open-source software git github

zlqnvzuc 2014-10-22T17:27:24+00:00 https://github.com/Blockstream/contracthashtool blockstream contracthashtool bitcoin contract-hash-tool redeemScript redeemscript elliptic-curves cryptography public-key-cryptography p2ch pay-to-contract-hash thebluematt payments open-source software git github

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bhsgabhk 2014-10-23T15:53:30+00:00 https://github.com/CounterpartyXCP/counterpartyd/pull/362 counterparty counterpartyd bitcoin blockchain parsing parser bdb sqlite database files pull-request git github jahpowerbit adam-krellenstein transactions blocks file

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lfwpwmgz 2014-10-25T21:45:40+00:00 https://github.com/conformal/blocksafari conformal blocksafari bitcoin frontend btcd golang ui isc-license open-source software git github blocks

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6o4mndwv 2014-11-07T16:46:22+00:00 https://github.com/bitcoin/bitcoin/pull/4594 bitcoin pull-request github zeromq zmq 0mq bitcoind async broadcasting jmcorgan

2kcwbop3 2014-11-09T03:09:48+00:00 https://github.com/jashmenn/bitcoin-reading-list bitcoin reading documentation docs git github suggestions recommended tutorials howto specs specifications

ufvob3xx 2014-11-10T02:25:51+00:00 https://github.com/amiller/redblackmerkle github amiller redblackmerkle red-black red-black-tree merkle-tree authenticated-data-structure authenticated unspents unspent-outputs unspent-transaction-outputs utxos merkle-search-tree git andrew-miller red-black-merkle-tree tree data-structure open-source-software python c bitcoin

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mz2jhuzs 2014-11-12T00:34:57+00:00 https://github.com/bitcoin/bitcoin/pull/4906 github bitcoin pull-request coinselection pruning transactions inputs outputs alszacrel utxo unspent-transactions unspents unspent-transaction-outputs simulation coin-selection

74beu4uq 2014-11-12T17:06:26+00:00 https://gist.github.com/devrandom/806265 gitian devrandom bitcoin deterministic-builds gist github

ifa2neyv 2014-11-13T16:14:59+00:00 https://github.com/bitcoin/bitcoin/pull/5267 github bitcoin pull-request mempool reorgs reorg coinbase transactions bluematt thebluematt

djbto5vo 2014-11-14T21:54:29+00:00 https://github.com/bitcoin/bitcoin/pull/3656 bitcoin github pull-request transaction-malleability mtgox magicaltux sipa luke-jr normalized txid transactions maaku

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iuy3gged 2014-11-21T00:31:49+00:00 https://github.com/peatio/peatio peatio bitcoin ruby rails exchange amqp git github open-source software

vw6wdysn 2014-11-25T06:11:47+00:00 https://github.com/bitcoin/bitcoin/blob/33d5ee683085fe5cbb6fc6ea87d45c5f52882232/src/wallet.cpp#L1232 coin-selection bitcoin github git source-code algorithm

2yuit7oj 2014-11-28T03:49:14+00:00 https://github.com/bitcoin/bitcoin/pull/5048 bitcoin github addrindex pull-request index indexes txindex transactions addresses

6fbcdsse 2014-12-02T20:52:55+00:00 https://github.com/lian/bitcoin-ruby/blob/master/lib/bitcoin/wallet/coinselector.rb bitcoin-ruby bitcoin ruby coin-selection coinselector open-source software library

yjkwiedr 2014-12-04T19:58:55+00:00 https://github.com/bitcoin/bips/blob/master/bip-0062.mediawiki github bitcoin bip bip62 transactions transaction-malleability mutant-transactions mutated-transactions transaction-mutants transaction-mutation transaction-mutations mutants mutation transaction ecdsa scriptSig scriptsig scriptPubKey scriptpubkey malleability

vqdfl7mn 2014-12-13T18:46:06+00:00 https://github.com/CounterpartyXCP/counterpartyd/blob/224b56eb23824f0ed83c8088741f32664ce26233/lib/blocks.py#L52 counterparty bitcoin counterpartyd parse_tx parsing transactions transaction parser messages message-types types python source-code

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bp6udal4 2014-12-18T14:23:51+00:00 https://github.com/bitcoin/bitcoin/pull/5387 bitcoin github pull-request clang formatting style format clang-format

2likzztm 2014-12-19T21:16:30+00:00 https://github.com/bitcoin/bitcoin/pull/5503 github bitcoin pull-request fundrawtransaction raw-transactions raw-transaction raw transaction fund getrawtransaction signrawtransaction createrawtransaction

qaa2zpwv 2014-12-20T02:50:04+00:00 https://github.com/weilu/bitcoin-tx-graph-visualizer github bitcoin bitcoin-tx-graph-visualizer visualizer visualization visualizations graphs transaction-graphs transactions transaction graph d3 svg javascript js

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xozw2lab 2015-01-06T21:50:16+00:00 https://github.com/BitGo/BitGoJS/blob/66fb0c833124e5561bf8d3477c4d632e488d1180/src/transactionBuilder.js#L121 github git bitcoin bitgo bitgojs javascript js open-source software coin-selection

ajphpfbz 2015-01-22T00:36:40+00:00 https://github.com/rnicoll/python-altcoinlib github rnicoll bitcoin altcoins altcoinlib python-altcoinlib dogecoin python library open-source software cryptocurrency

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pesh4zga 2015-01-25T23:56:49+00:00 https://github.com/charlescharles/mixcoin mixcoin mixing bitcoin implementation golang go btcd btcwallet github git

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o2ohgjkq 2015-01-26T05:12:20+00:00 https://github.com/Bobalot/blockalchemy bitcoin blockalchemy blockchain models sqlalchemy python source-code software github git

2yfugkly 2015-01-26T05:18:17+00:00 https://github.com/richardkiss/pycoin/blob/bcdff1f3ead3a5eaeab4460e77b7fd98bd0da321/pycoin/key/BIP32Node.py bitcoin python pycoin open-source software bip32 bip32node git github source-code wallet

6xszzu6s 2015-01-26T05:19:08+00:00 https://github.com/spesmilo/electrum/blob/d14c03b47f5da7190fd34073a136f4fa586847e2/lib/wallet.py#L1363 bitcoin python electrum open-source software wallet bip32 hierarchical-deterministic-wallet hd-wallet hierarchical deterministic source-code github git

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z5z3ikxz 2015-02-16T16:56:14+00:00 https://github.com/spesmilo/electrum-server/blob/master/HOWTO.md github git bitcoin electrum electrum-server docs documentation how-to bitcoind blockchain privacy

6oi34x6g 2015-03-07T20:31:16+00:00 https://github.com/btcdrak/bitcoin/releases/tag/addrindex-0.10.0 btcdrak bitcoin github addrindex patch index addresses

fqfazvdr 2015-03-08T07:24:18+00:00 https://github.com/bitcoin/bitcoin/blob/2f10aa0fa122b089d8affbe725008f054a00fe46/src/test/wallet_tests.cpp#L66 github bitcoin source-code coin-selection tests testing test coins SelectCoinsMinConf BOOST_CHECK

2l47vu5v 2015-03-09T19:59:39+00:00 https://github.com/jlopp/statoshi statoshi bitcoin bitcoind bitcoin-core metrics stats git github open-source software monitoring

zxibmwq5 2015-04-06T15:04:32+00:00 https://github.com/chris-belcher/joinmarket bitcoin coinjoin joinmarket belcher github git open-source software transactions

g7arrwmc 2015-05-11T13:14:36+00:00 https://github.com/jonasnick/bitcoinconsensus_testcases jonasnick bitcoin libbitcoinconsensus consensus testing tests test testcases afl-fuzz bitcore btcd fuzzing fuzzer american-fuzzy-lop open-source software github git

giwj4vkq 2015-06-09T14:30:41+00:00 https://github.com/ElementsProject/elements git github elements bitcoin sidechains blockstream blockchain open-source software testnet experimentation experiments confidential-transactions segregated-witness relative-lock-time schnorr-signatures opcodes deterministic-peg two-way-peg signed-blocks

kcybpkjk 2015-06-14T04:19:57+00:00 https://github.com/ElementsProject/lightning git github lightning lightning-network bitcoin blockstream scalability rusty-russell open-source software library transactions payments

ix4ayc5c 2015-06-18T02:51:08+00:00 https://github.com/bitcoin/bitcoin.org/pull/894 github bitcoin bitcoin.org hard-fork hard-forks contentious-hard-forks policy harding david-harding

yyllhh65 2015-06-20T16:25:22+00:00 https://github.com/ElementsProject/lightning/blob/0666265b5e4149a3c82e2ef19400f802de3dad90/test-cli/HOWTO-USE.md github elementsproject elements-project elements bitcoin cryptocurrency lightning lightning-network scalability scaling howto docs documentation

zdlnby44 2015-06-20T22:07:46+00:00 https://github.com/jtimon/bips/blob/bip-forks/bip-forks.org jtimon bitcoin github bips hard-forks soft-forks consensus-forks forks forking software consensus bip

unk4mxha 2015-07-03T13:28:44+00:00 https://github.com/bitcoin/bitcoin/pull/6364#issuecomment-118347254 github bitcoin mike-hearn wumpus blacklists tor bitcoind bitcoin-core

7z2gh6sq 2015-07-22T16:57:21+00:00 https://github.com/jgarzik/mcp bitcoin github software jgarzik payment-channel payment-channels mcp prototype

y5ivswap 2015-07-26T01:06:22+00:00 https://github.com/bitcoin/bitcoin/pull/6351 bitcoin bitcoin-core github pull-request petertodd checklocktimeverify bip65 issupermajority soft-fork locktime timelock cltv

ctbi5xbg 2015-08-06T15:12:42+00:00 https://github.com/bitcoin/bitcoin/pull/6265 bitcoin github pull-request bip32 wallets wallet bitcoin-core jonasschnelli

kizjyh2o 2015-08-13T13:06:19+00:00 https://github.com/priestc/moneywagon moneywagon open-source software bitcoin python library 1HWpyFJ7N6rvFkq3ZCMiFnqM6hviNFmG5X priestc api web bc.i

72n3w47v 2015-08-18T22:32:35+00:00 https://github.com/Roasbeef/bitcoin/commit/4b3c3f1baf7985208ceb6887261ee150ab6e3328 bitcoin SIGHASH_NOINPUT bitcoind bitcoin-core

zenkc7mx 2015-08-18T22:32:47+00:00 https://github.com/Roasbeef/btcd/commit/67830e506fa135d5239177340918cea39909e6a4 btcd bitcoin SIGHASH_NOINPUT golang

ro5pqew2 2015-08-18T22:53:24+00:00 https://github.com/bitcoin/bips bitcoin bips improvement proposals github git open-source software standards

5lrjezmm 2015-08-25T12:52:09+00:00 https://github.com/ElementsProject/elements/pull/48 github sidechains bitcoin blockstream tree-signatures cryptography schnorr-signatures m-of-n tree-signature addtreesigaddress createtreesig p2sh public-key-tree merkleized-abstract-syntax-trees merkle-tree-verification merkle-trees merkle-path 1-of-n m-of-m multisignature threshold-trees threshold-tree OP_CAT concatenation pull-request sipa pieter-wuille

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d36d4wbm 2015-08-29T20:34:56+00:00 https://github.com/TierNolan/bips/blob/bip4x/bip-atom.mediawiki bitcoin bip atomic-cross-chain-transfers cross-chain tier-nolan tiernolan draft p2sh proposal

4lixhebj 2015-08-29T20:35:39+00:00 https://github.com/TierNolan/bips/blob/834f9f58c59a11e6e4ba7ac650dfe109ab09b9a9/bip-etx.mediawiki bitcoin bip extended-transactions extended-transaction tier-nolan tiernolan proposal github utxos transaction-serialization scaling scalability

p3xlm7zq 2015-08-29T20:36:36+00:00 https://github.com/TierNolan/bips/blob/9a8fac56c3817396910729c8c1fb3959686b301f/bip-sum-merk.mediawiki bitcoin bip github merkle-tree sum-merkle sum-based-merkle-tree sum-merkle-tree hard-fork spv blockchain validation verification fraud-proofs offline-signing-efficiency signing-efficiency scaling scalability proposal year-2014 tier-nolan tiernolan

i4vsjyeo 2015-08-29T20:37:47+00:00 https://github.com/TierNolan/bips/blob/00a8d3e1ac066ce3728658c6c40240e1c2ab859e/bip-aux-header.mediawiki bitcoin bip auxiliary-headers auxiliary-header tiernolan tier-nolan proposal blocks blockheaders soft-fork extendable-auxiliary-header utxo-set-commitment sum-merkle-tree-commitments sum-merkle-tree sum-merkle auxiliary-header-transaction scalability scaling year-2014

oqsqpuk4 2015-08-29T20:47:30+00:00 https://github.com/TheBlueMatt/RelayNode bitcoin relaynode bluematt relayer relaying bitcoinj bitcoinrelaynetwork github open-source software

ojpbg6o2 2015-08-29T20:53:57+00:00 https://gist.github.com/sipa/bf69659f43e763540550 bitcoin sipa bip version-bits soft-forks soft-fork petertodd proposal draft soft-forking

76qwcrct 2015-08-30T03:18:57+00:00 https://gist.github.com/gavinandresen/39158239e36f6af69d6f bitcoin github gist gavinandresen coblee bip11 bip12 bip13 multisig

7uhz4lco 2015-08-30T16:18:48+00:00 https://github.com/azeteki/bitcoind-ncurses github bitcoin bitcoind bitcoin-core ncurses cli ui open-source software

rr2b4vrq 2015-08-30T18:45:04+00:00 https://github.com/scmorse/bitcoin-misc/blob/master/sighash_proposal.md bitcoin github proposal bip nhashtype sighash sighash-types SIGHASH_WITHOUT_PREV_SCRIPTPUBKEY SIGHASH_WITHOUT_PREV_VALUE SIGHASH_WITHOUT_INPUT_TXID SIGHASH_WITHOUT_INPUT_INDEX SIGHASH_WITHOUT_INPUT_SEQUENCE SIGHASH_WITHOUT_OUTPUT_SCRIPTPUBKEY SIGHASH_WITHOUT_OUTPUT_VALUE SIGHASH_WITHOUT_INPUTS SIGHASH_WITHOUT_OUTPUTS SIGHASH_WITHOUT_INPUT_SELF SIGHASH_WITHOUT_OUTPUT_SELF SIGHASH_WITHOUT_TX_VERSION SIGHASH_WITHOUT_TX_LOCKTIME SIGHASH_SIGN_STACK_ELEMENT year-2015 draft

bhf4sv3u 2015-08-31T00:32:57+00:00 https://github.com/olalonde/blind-solvency-proof github bitcoin solvency proof

4y6ytq2v 2015-08-31T14:43:23+00:00 https://github.com/petertodd/tree-chains-paper github git petertodd treechains bitcoin scalability scaling proposal paper blockchain treechain merkle-mountain-range merkle-tree utxo-set latex draft

yj2iwgbf 2015-08-31T15:46:01+00:00 https://github.com/rustyrussell/pettycoin github git rusty-russell pettycoin bitcoin cryptocurrency open-source software cryptography

vtlhaqyv 2015-08-31T16:36:38+00:00 https://github.com/scmorse/Python-Lightning bitcoin lightning-network payment-channels python python3 source-code open-source software StephenM347 scmorse github git

jzcna7gc 2015-09-01T23:04:09+00:00 https://github.com/tinybike/coinbridge github git coinbridge bitcoin postgresql database tinybike open-source software bridge blockchain data

6qbdrd5f 2015-09-01T23:27:18+00:00 https://github.com/cornwarecjp/amiko-pay git github bitcoin payment-channels amiko-pay off-chain open-source software python

ub6gd72f 2015-09-03T02:49:21+00:00 https://github.com/proofchains/python-proofchains bitcoin github git petertodd fraud-proofs proofchains proofs fraud open-source software cryptocurrency cryptography witness

iuxwup2s 2015-09-03T21:37:42+00:00 https://github.com/bitcoin/bips/pull/181 bitcoin github pull-request bips bip-draft bip draft bip99 jtimon hard-forks soft-forks hard-fork soft-fork forking forks consensus review

qmgu7h76 2015-09-04T15:21:33+00:00 https://github.com/bitcoin/bitcoin/pull/5677 bitcoin bitcoin-core github pull-request merged libevent http http-server rest api rpc bitcoind

srrqnud7 2015-09-04T17:01:29+00:00 https://github.com/ElementsProject/lightning/blob/master/test-cli/scripts/test.sh bitcoin lightning-network rusty-russell open-source software demo test script payment-channels example

pudqlbpn 2015-09-04T17:03:33+00:00 https://github.com/rustyrussell/bitcoin-iterate github git rusty-russell bitcoin blockchain parser parse open-source software blocks files blockchain-files

g4vsj5rb 2015-09-04T19:34:09+00:00 https://github.com/proofchains/python-proofchains/blob/master/proofchains/core/uniquebits/singleuseseal.py github petertodd bitcoin cryptography proofchains python-proofchains python proof chains blockchains seals single-use-seals single-use one-time-seals one-time-seal one-time seal open-source software

kl7t2ssi 2015-09-09T22:37:03+00:00 https://github.com/bitcoin/bitcoin/pull/3977 bitcoin github pull-request maaku petertodd utxo-commitments commitments soft-fork blockheaders year-2014

vatw45mr 2014-09-18T22:17:44+00:00 https://download.wpsoftware.net/bitcoin/asic-faq.pdf andytoshi person:andytoshi person:andrew poelstra asics asic decentralization consensus mining cryptocurrency proof of work pow PoW proof-of-work bitcoin altcoins folklore thermodynamics physics resistance hardness memory miners sha256 scrypt primecoin proof-of-stake pos PoS proof of stake cryptography faq paper pdf andrew-poelstra

3glncyol 2014-09-20T03:23:37+00:00 https://download.wpsoftware.net/bitcoin/alts.pdf andytoshi person:andytoshi person:andrew polestra altcoins cryptocurrency cryptocurrencies bitcoin treatise centralization decentralization consensus alts paper pdf andrew-poelstra

qogzsyos 2014-09-29T05:23:25+00:00 https://download.wpsoftware.net/bitcoin/accounts-faq.pdf andytoshi bitcoin paper pdf accounts transactions balances

krmfvdcx 2014-10-30T17:15:16+00:00 https://testing.wpsoftware.net/coinjoin/ coinjoin bitcoin testnet andytoshi

zekrjoxg 2015-09-09T23:43:03+00:00 https://download.wpsoftware.net/bitcoin/bitcoin-probabilistic-payments.pdf andytoshi andrew-poelstra bitcoin probabilistic-payments filetype-pdf writeup

kuqw5zna 2014-09-25T20:05:44+00:00 https://people.xiph.org/~greg/escrowexample.txt bitcoin gmaxwell p2sh multisig example docs documentation cryptography redeem script escrow

gtsc7quo 2014-11-05T16:48:09+00:00 https://people.xiph.org/~greg/attack_success.html gmaxwell bitcoin blockchain blocks confirmations attacks attack probability security mining hashrate hashing

omcruw4x 2014-11-10T16:33:46+00:00 https://people.xiph.org/~greg/bitcoin-wizards-fraud-proof.log.txt gmaxwell bitcoin-wizards bitcoin fraud proof petertodd amiller bluematt sipa year-2013 irc logs

tkgwn4jh 2014-11-25T18:09:28+00:00 https://people.xiph.org/~greg/21mbtc.png blockchain.info bc.i bitcoin mtgox gmaxwell bitcoind filetype-png

dvq4vshq 2015-01-22T14:26:52+00:00 https://people.xiph.org/~greg/signdemo.txt gmaxwell bitcoin signing transactions bitcoind getrawtransaction decoderawtransaction signrawtransaction listtransactions example tutorial createrawtransaction

hrrgufig 2015-06-09T14:20:53+00:00 https://people.xiph.org/~greg/confidential_values.txt gmaxwell confidential-transactions transactions bitcoin confidential elements sidechains blockstream privacy amounts open-source software programming cryptography metadata blockchain finance financial-privacy secp256k1 borromean ring-signatures borromean-ring-signature homomorphic-commitment-scheme commitment-scheme pedersen-commitment homomorphic-value cryptographic-proofs proofs coinjoin coinswap

4snphmro 2014-09-26T00:54:39+00:00 http://bitcoin.stackexchange.com/questions/23893/what-are-the-limits-of-m-and-n-in-m-of-n-multisig-addresses stackoverflow bitcoin p2sh multisig m-of-n limitations limits addresses script scripts

cznxdxuv 2014-10-03T17:52:00+00:00 http://bitcoin.stackexchange.com/questions/3374/how-to-redeem-a-basic-tx bitcoin stackoverflow redeemption redeeming redeem transaction tutorial howto manually manual tx transactions

e42xnwgz 2014-11-15T23:05:23+00:00 http://bitcoin.stackexchange.com/questions/3343/what-is-the-longest-blockchain-fork-that-has-been-orphaned-to-date/4638#4638 stackexchange bitcoin blockchain orphans orphan-blocks blocks reorgs reorg orphaned-blocks

76x4uyfy 2014-11-29T00:14:49+00:00 http://bitcoin.stackexchange.com/questions/21907/what-does-the-curve-used-in-bitcoin-secp256k1-look-like stackexchange bitcoin secp256k1 curves cryptography curve public-key-cryptograpy elliptic-curves elliptic-curve-cryptography galois-field

2evw5uwl 2014-12-08T17:59:01+00:00 http://bitcoin.stackexchange.com/questions/1863/why-was-the-target-block-time-chosen-to-be-10-minutes bitcoin stackexchange stackoverflow blockheight target-block 10-minutes confirmations confirmation-time cryptocurrency

2ejkft3w 2014-12-20T16:52:05+00:00 http://bitcoin.stackexchange.com/questions/3059/what-is-a-compressed-bitcoin-key stackexchange stackoverflow bitcoin compressed-keys openssl uncompressed compressed keys private-keys private-key

e6scqef2 2015-04-17T14:22:58+00:00 https://bitcoin.stackexchange.com/ stackoverflow stackexchange bitcoin

ghsafzrq 2015-06-14T19:58:56+00:00 https://bitcoin.stackexchange.com/a/29473/13217 bitcoin stackoverflow andytoshi andrew-poelstra anonymity privacy cryptography cryptonote monero coinjoin coinswap signatures mixing darkwallet zero-knowledge-proofs zero-knowledge proofs trusted-setup snarks zerocash multi-party-computation ring-signatures ecdsa key-images images key-image bitcoin-wizards anonymity-set

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nrpgejuu 2014-09-18T22:05:25+00:00 http://en.wikipedia.org/wiki/Namecoin wikipedia namecoin cryptocurrency altcoin dns bitcoin

ctjpdlz6 2014-09-18T18:00:34+00:00 https://bitcoin.org/ bitcoin cryptocurrency p2p money mining open source open source software software sha256 proof of work

7xbog3ys 2014-09-21T18:48:29+00:00 https://bitcoin.org/en/faq bitcoin faq faqs introduction

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bvrkzs3z 2015-01-09T04:38:31+00:00 http://www.reddit.com/r/Bitcoin/comments/2rsv60/patrick_byrne_has_let_it_slip_that_medici_will/ patrick-byrne bitcoin reddit counterparty medici youtube

sfc66cck 2015-01-18T20:48:46+00:00 http://www.reddit.com/r/Bitcoin/comments/2sumyv/impulseis_uses_transaction_channels_without/ reddit bitcoin bitpay impulse criticism payment-channels payment payments channels transactions giszmo

5w4or2pd 2015-01-19T05:52:20+00:00 http://www.reddit.com/r/BitcoinMarkets/comments/2c4kkg/what_do_we_know_about_bitfinex/ reddit bitcoin bitfinex bitcoinica security exchange zhou-tong ryan-zhou rails amir-taaki unclescrooge history

uplqherv 2015-01-21T06:10:53+00:00 http://www.reddit.com/r/BitcoinMarkets/comments/2t3iz5/bitfinex_cso_phillip_g_potter_admits_to_trading/ reddit bitcoin bitcoinmarkets bitfinex trading exchange insider-trading phil-g-potter phil-potter teamspeak voice-chat voip

dvs5w7od 2015-01-22T04:24:44+00:00 http://www.reddit.com/r/Bitcoin/comments/2t6oks/gavineries_irc_discussion_of_the_block_size/cnwu9o7 reddit bitcoin blockchain blocks block-size block-sizes block-size-limit gmaxwell nullc autonomy

pttoftxz 2015-01-22T04:27:45+00:00 http://www.reddit.com/r/Bitcoin/comments/2t6oks/gavineries_irc_discussion_of_the_block_size/cnwag6a reddit bitcoin gmaxwell nullc blockchain blocks block-size block-sizes block-size-limit decentralization miners mining collusion security protocol rules

62vix4xh 2015-01-24T04:14:46+00:00 https://www.reddit.com/r/DarkNetMarkets/comments/2tgymg/silk_goxed_how_dpr_used_mtgox_for_hedging_lost_big/ reddit darknetmarkets ross-ulbricht silk-road silk-road-trial gwern analysis mtgox mark-karpeles goxed law-enforcement fbi usdoj security opsec hacking business druglord bitcoin cryptocurrency anonymity pseudonymity

6nrp74lj 2015-01-24T21:26:51+00:00 http://www.reddit.com/r/Bitcoin/comments/2tit85/can_you_cheatershackers_please_stop_using_your/ reddit bitcoin sarutobi hackers hacking pleading

sacxggsq 2015-01-26T13:44:59+00:00 http://www.reddit.com/r/Bitcoin/comments/2tok0f/coinbase_exchange_api_documentation/ reddit bitcoin coinbase coinbase-exchange exchange api docs

dsdztmpj 2015-01-27T23:25:51+00:00 http://www.reddit.com/r/Bitcoin/comments/2tu6w3/fed_is_planning_its_own_cryptocurrency_to_be/ reddit bitcoin federal-reserve cryptocurrency blockchain consensus hilarious cargo-cult humor funny banks banking cargo-cults

z7fns54a 2015-01-28T15:18:42+00:00 http://www.reddit.com/r/Bitcoin/comments/2tu1a5/colu_raises_25m_to_use_the_blockchain_for/ reddit bitcoin startup venture-capital colu colored-coins fundraising tickets ticketing

ilh7bo2x 2015-01-28T16:28:30+00:00 http://www.reddit.com/r/Bitcoin/comments/2tyugs/exgoldman_trader_readies_new_bitcoin_exchange/ reddit bitcoin ledgerx news goldman-sachs paul-chou cftc regulation bitcoin-exchange bitcoin-exchanges exchange exchanges derivatives options

smdmp24a 2015-01-28T17:59:16+00:00 http://www.reddit.com/r/Bitcoin/comments/2tyier/bwallet_review_by_trezor_developer/ reddit bitcoin bwallet trezor knock-off knockoff china chinese security wallet hardware-wallet hardware satoshilabs

bxgnz4o5 2015-01-31T00:26:11+00:00 http://www.reddit.com/r/Bitcoin/comments/2u7dec/trezor_team_on_software_licensing_we_have_decided/ reddit bitcoin trezor hardware-wallet licensing open-source reversion revert reverting licenses business business-strategy

kk7khzya 2015-02-02T15:35:55+00:00 http://www.reddit.com/r/Bitcoin/comments/2ui81z/counterparty_is_a_nightmare_of_insanity/ reddit bitcoin mastercoin counterparty masterxchange nightmare insanity build-system source-code source-code-quality DarkEmi

6ebccdaw 2015-02-04T23:36:28+00:00 http://www.reddit.com/r/Bitcoin/comments/2uslm4/silk_road_website_founder_ross_ulbricht_found/ reddit bitcoin ross-ulbricht ross-ulbricht-trial trial conviction dread-pirate-roberts silk-road

xb5ejqkc 2015-02-05T15:38:52+00:00 http://www.reddit.com/r/Bitcoin/comments/2utl7p/lol_coinbase_for_getting_mad_at_redditors_for/ reddit bitcoin coinbase coinbase-craig CoinbaseCraig impersonation impersonators impersonating hilarious

zm2w7dny 2015-02-10T23:14:23+00:00 http://www.reddit.com/r/Bitcoin/comments/2rji9f/looking_before_the_scaling_up_leap_by_gavin/cngju7f reddit bitcoin gmaxwell nullc hard-forks hard-forking non-deterministic bugs consensus berkeleydb bdb bitcoind versions bitcoind-0.8 bitcoind-0.7 hardfork hardforking hardforks blockchain history year-2013 year-2015 bitcoin-core

aojhbp3j 2015-02-11T19:45:24+00:00 http://www.reddit.com/r/Bitcoin/comments/2vk3j3/the_cftc_has_requested_public_comment_on_a_first/ reddit bitcoin ledgerx cftc public-comments comment-period internationallawoffice

zy3d7vgy 2015-02-13T13:25:25+00:00 http://www.reddit.com/r/Bitcoin/comments/2vouwf/core_developer_jeff_garzik_on_the_possibility_of/ reddit bitcoin jgarzik denial confirmations settlement consensus

3j7gbic4 2015-02-23T23:30:52+00:00 http://www.reddit.com/r/Bitcoin/comments/2ww2sh/brian_armstrong_on_twitter_ripple_stellar_and/couo98i reddit bitcoin coinbase litecoin coblee tenebrix fairbrix cryptocurrency cryptocurrencies forks history

4fo5upw5 2015-03-02T21:22:16+00:00 http://www.reddit.com/r/Bitcoin/comments/2xomaf/ladies_and_gentlemen_start_your_engines/ reddit bitcoin gbtc GBTC barry-silbert bitcoin-investment-trust trading otc over-the-counter

vw4dmfxx 2015-03-10T16:12:06+00:00 http://www.reddit.com/r/Bitcoin/comments/2yhbcv/brokerages_allowing_bitcoin_investment_trust_gbtc/ reddit bitcoin bitcoin-investment-trust barry-silbert brokers trading etrade fidelity optionsxpress scottrade tdameritrade ameritrade td-ameritrade vanguard questrade rbc-direct-investing schwab over-the-counter pink-slips exchange-traded-fund exchange-traded-funds etf GBTC

zatb6kvl 2015-03-21T04:44:23+00:00 http://www.reddit.com/r/Bitcoin/comments/2zpmlj/expanded_rewrite_of_distributed_consensus_from/ reddit bitcoin andytoshi andrew-poelstra proof-of-work proof-of-stake paper

wkpu2o4d 2015-03-26T19:23:02+00:00 http://www.reddit.com/r/Bitcoin/comments/2156bl/vpn_service_that_accepts_bitcoin/ reddit bitcoin vpn

3ea4aboa 2015-03-27T02:45:43+00:00 http://www.reddit.com/r/Bitcoin/comments/2zkkj9/bram_cohen_inventor_of_bittorrent_having_met/ reddit bitcoin drama bram-cohen bitcoin-wizards petertodd

pfoxw2ss 2015-03-28T22:49:05+00:00 http://www.reddit.com/r/Bitcoin/comments/30lxo4/replace_by_fee_a_counter_argument_by_mike_hearn/ reddit bitcoin mike-hearn replace-by-free zeroconf zero-confirmation transactions 0conf zero-confirmations

6k6zfukt 2015-04-02T16:50:41+00:00 http://www.reddit.com/r/Bitcoin/comments/30m1p6/verisign_partners_with_armory_to_propose_a_new/ reddit bitcoin armory verisign

uis6yfev 2015-04-03T14:50:15+00:00 http://www.reddit.com/r/Bitcoin/comments/317dhq/economic_analysis_of_factom/ reddit bitcoin factom proof-of-publication timestamping criticism economics

erq7gqtu 2015-04-03T14:52:36+00:00 http://www.reddit.com/r/Bitcoin/comments/31846f/bitstamp_is_freezing_user_funds_when_ripple_labs/ reddit bitcoin bitstamp ripple ripple-labs jed-mccaleb

pitsoze3 2015-04-06T15:28:55+00:00 http://www.reddit.com/r/Bitcoin/comments/31lmo7/buttercoin_is_closing/ reddit bitcoin buttercoin exchange shutdown closing closed shutting-down

ly72qtlm 2015-04-10T20:16:10+00:00 http://www.reddit.com/r/Bitcoin/comments/324enn/obvious_problems_of_factom/ reddit factom criticism justusranvier mperklin bitcoin

rumlcuma 2015-04-12T22:52:09+00:00 http://reddit.com/u/Virtuli_Beatnik reddit bitcoin ethereum vitalik-buterin virtuli-beatnik troll parody cryptocurrency ethereal-verses

oraylvmq 2015-04-25T21:21:17+00:00 http://www.reddit.com/r/HiddenMarkets reddit darknetmarkets hiddenmarkets gwern bitcoin cryptocurrency

zuxqhjm3 2015-05-04T17:11:14+00:00 http://www.reddit.com/r/Bitcoin/comments/34mrtj/eli5_why_is_peter_todd_important_and_why_do_some/cqxfkdh reddit bitcoin gmaxwell bip16 reorgs bip17 p2sh

27kplsbl 2015-05-07T13:17:58+00:00 http://www.reddit.com/r/Bitcoin/comments/354qbm/bitcoin_devs_do_not_have_consensus_on_blocksize/ reddit bitcoin gavinandresen gmaxwell adam-back adam3us core-devs bitcoin-core ledgerx bryan-bishop max-block-size block-size blockchain blocks size scalability scaling consensus hardforks hardfork bitcoin-development

wp6tbv7p 2015-05-07T13:19:29+00:00 http://www.reddit.com/r/Bitcoin/comments/355a4q/great_technical_discussion_of_block_size_increase/ reddit bitcoin max-block-size block-size scalability size scaling bryan-bishop core-devs mailing-list bitcoin-development

jl252kyc 2015-05-07T17:22:01+00:00 https://www.reddit.com/r/Bitcoin/comments/34mrtj/eli5_why_is_peter_todd_important_and_why_do_some/cqxfkdh?context=1 reddit bitcoin gmaxwell nullc petertodd bip16 bip17 OP_EVAL drama p2sh

4er2hyvj 2015-05-22T12:32:51+00:00 https://www.reddit.com/r/BitcoinMarkets/comments/2c4kkg/what_do_we_know_about_bitfinex/ reddit bitcoin bitfinex criticism history bitcoinica

vnaaqcq7 2015-05-23T16:24:00+00:00 http://www.reddit.com/r/Bitcoin/comments/36qcpc/hierarchical_deterministic_bitcoin_wallets_that/crgnl56 reddit bitcoin gmaxwell nullc bip32 public-derivation hardened hdm hd-wallets hierarchical-deterministic-wallets hierarchical-determinism hierarchy keys public-keys private-keys wallets addresses security xpriv xpub master-private-key vulnerability

3cdr57si 2015-05-29T20:52:51+00:00 http://www.reddit.com/r/Bitcoin/comments/37pv74/gavin_andresen_moves_ahead_with_push_for_bigger/crp01zg?context=3 reddit bitcoin gmaxwell nullc gavinandresen max-block-size block-size blockchain drama decentralization

jeqrlgsd 2015-05-30T14:25:51+00:00 http://www.reddit.com/r/Bitcoin/comments/37rfjz/silk_road_operator_ross_ulbricht_to_sentenced/ reddit bitcoin ross-ulbricht silk-road dread-pirate-roberts dpr war-on-drugs prison sentencing court law legal-system legal

zmzdgx3t 2015-05-31T21:01:57+00:00 http://www.reddit.com/r/Bitcoin/comments/37vg8y/is_the_blockstream_company_the_reason_why_4_core/crqsfm8 reddit bitcoin gmaxwell scheduling planning hardforks forks hard-forks hardforking software network blockchain timestamps timestamping upgrading upgrades flag-day flag-days

grdovues 2015-06-01T21:49:33+00:00 http://www.reddit.com/r/Bitcoin/comments/37pv74/gavin_andresen_moves_ahead_with_push_for_bigger/crp70yd reddit bitcoin bluematt thebluematt matt-corallo bitcoin-xt bitcoin-core patches dnsseed seeds zeroconf

jaipenbp 2015-06-01T22:00:00+00:00 http://www.reddit.com/r/Bitcoin/comments/37vg8y/is_the_blockstream_company_the_reason_why_4_core/crqnnni reddit bitcoin gmaxwell leadership leaders leader leading like-a-fish-needs-a-bicycle fish bicycle satoshi-nakamoto authority least-authority single-point-of-failure governance gavinandresen analogy metaphor simile bdfl dictatorship dictators

4if754hx 2015-06-02T22:27:04+00:00 http://www.reddit.com/r/Bitcoin/comments/37az7o/nasdaq_to_step_up_blockchain_trials/crl6f4i reddit bitcoin news nasdaq blockchain colored-coins colored-coin openassets

ow7cqzhb 2015-06-02T22:28:35+00:00 http://www.reddit.com/r/Bitcoin/comments/37l9cy/failed_hardfork_example_elacoin/ reddit bitcoin hardfork hard-fork hardforking elacoin altcoin cryptocurrency history historical cryptsy exchange

vr7az5ws 2015-06-04T00:30:54+00:00 http://www.reddit.com/r/Bitcoin/comments/37pv74/gavin_andresen_moves_ahead_with_push_for_bigger/crp2735 reddit bitcoin gmaxwell block-size max-block-size ideas plans size-limit size blocks blockchain adjustment-algorithm decentralization

hjwfkxyu 2015-06-05T15:40:42+00:00 http://www.reddit.com/r/Bitcoin/comments/22vn4m/why_do_people_think_that_sidechains_are_going_to/cgqy5w6 reddit bitcoin gmaxwell sidechains security spv-proofs simplified-payments-verification simplified-payment-verification coinwitness federated-peg merged-mining federated federation verification coin-witness coin-wittness sidechain fedpeg

fdtev2ur 2015-06-09T15:12:52+00:00 https://np.reddit.com/r/bitrussia reddit bitcoin russia bitrussia russian

etqlpe5v 2015-06-17T14:26:42+00:00 http://www.reddit.com/r/Bitcoin/comments/39ziy6/eli5_what_will_happen_if_there_is_a_hard_fork/cs7xxhe?context=1 reddit bitcoin gmaxwell gavinandresen mike-hearn max-block-size block-size hard-fork hard-forking safety blockchain forks

fpbyx2oq 2015-06-18T02:58:40+00:00 http://www.reddit.com/r/Bitcoin/comments/39xgln/joystream_torrent_client_with_paid_seeding/ reddit bitcoin joystream bittorrent torrent torrenting seeding paid-seeding file-sharing cryptocurrency

5frrqlzq 2015-06-18T18:53:16+00:00 http://www.reddit.com/r/Bitcoin/comments/3aa5fp/the_real_blocksize_debate_governance_of_the/ reddit bitcoin governance decentralization centralization mike-hearn gavinandresen block-size max-block-size

5vkf3dau 2015-06-19T03:07:06+00:00 http://www.reddit.com/r/Bitcoin/comments/3a58z9/why_the_hell_are_people_against_increasing_block/csai37w reddit bitcoin maaku decentralization max-block-size block-size centralization proof-of-work consensus

sij3xf7s 2015-06-19T03:09:36+00:00 http://www.reddit.com/r/Bitcoin/comments/3aawqp/this_is_consensus/csb92so reddit bitcoin maaku max-block-size block-size scaling replace-by-fee child-pays-for-parent off-chain payment-channels lightning-network lightning probabilistic-checking fraud-proofs fee-market transaction-fees decentralization segregated-witness CHECKLOCKTIMEVERIFY

qcawutc3 2015-06-19T03:10:39+00:00 http://www.reddit.com/r/Bitcoin/comments/3aa5fp/the_real_blocksize_debate_governance_of_the/csbc7ry reddit bitcoin maaku scaling decentralization max-block-size block-size boil-the-frog frog-boiling

zb4ug7ti 2015-06-19T03:29:45+00:00 http://www.reddit.com/r/Bitcoin/comments/39wlpj/adam_back_questions_mike_hearn_about_the/cs7ejvk reddit bitcoin maaku decentralization block-size max-block-size

lpp2abhl 2015-06-19T03:30:23+00:00 http://www.reddit.com/r/Bitcoin/comments/39pcnv/sidechains_and_lightning_the_new_new_bitcoin/cs5h5km reddit bitcoin lightning lightning-network scaling scalability maaku

ybszauje 2015-06-19T14:14:31+00:00 http://www.reddit.com/r/Bitcoin/comments/3ae2e1/peter_todd_f2pool_enabled_full_replacebyfee_rbf/ reddit bitcoin replace-by-fee f2pool petertodd first-seen-safe first-seen-safe-replace-by-fee FSSRBF FSS-RBF RBF FSS rbf first-seen transactions fees transaction-fees

rgyba74w 2015-06-19T15:53:52+00:00 http://www.reddit.com/r/Bitcoin/comments/3aa5fp/the_real_blocksize_debate_governance_of_the/csbyb2f?context=3 reddit bitcoin kanzure max-block-size block-size smaller-max-block-size smaller-blocks small-blocks bryan-bishop tsontar proposals

cz2cjcn5 2015-06-19T21:15:54+00:00 https://www.reddit.com/r/Buttcoin/comments/3ad2ou/my_attempt_at_eli5ing_the_hearnmaxwell_debate_and/csbrepb reddit bitcoin buttcoin gavinandresen scalability mismatch discrepancy scaling

fkrql4ur 2015-06-20T22:30:47+00:00 http://www.reddit.com/r/Bitcoin/comments/3aha4h/the_solution_to_not_raising_the_blocksize_is_fee/cscnlfx reddit bitcoin scalability currency decentralization economics settlement pokertravis incorruptibility block-size max-block-size

p6v6mdsy 2015-06-21T00:31:57+00:00 http://www.reddit.com/r/Bitcoin/comments/3aeow8/blockstream_has_a_very_serious_conflict_of/csd6hmr reddit bitcoin gmaxwell lightning lightning-networks payment-channels scalability scaling zero-confirmation zeroconf confirmations transactions

b7t6lrjw 2015-06-21T00:37:58+00:00 http://www.reddit.com/r/Bitcoin/comments/3aawqp/this_is_consensus/csbcvj3 reddit bitcoin maaku replace-by-fee child-pays-for-parent child-pays transactions bitcoin-core CHECKLOCKTIMEVERIFY cltv CLTV RBF rbf CPFP cpfp hub-and-spoke transaction-fees block-size max-block-size

qgenduvn 2015-06-24T12:52:05+00:00 http://www.reddit.com/r/Bitcoin/comments/3awomg/how_the_bitcoin_experiment_might_fail/csgwj3z reddit bitcoin gmaxwell hard-forks contentious-hard-forks hard-fork hard-forking corpus-callosum max-block-size block-size

k4zr46b4 2015-06-24T12:57:29+00:00 http://www.reddit.com/r/Bitcoin/comments/3awomg/how_the_bitcoin_experiment_might_fail/csgqp6l reddit bitcoin gmaxwell trustlessness scalability max-block-size block-size decentralization abstractions absolutism

bf3bwtfo 2015-06-24T13:16:18+00:00 http://www.reddit.com/r/Bitcoin/comments/3awomg/how_the_bitcoin_experiment_might_fail/csgw4b0 reddit bitcoin cypherdoc shilling lawsuit hashfast gmaxwell

5uulmsps 2015-06-25T15:16:13+00:00 http://www.reddit.com/r/Bitcoin/comments/3b0593/to_fork_or_not_to_fork/cshphic reddit bitcoin gmaxwell transaction-fees value-proposition fees transactions differentiator competition decentralization centralization

hwoa5e4q 2015-07-01T14:59:29+00:00 https://www.reddit.com/r/Bitcoin/comments/3bpdb4/bitstamp_incident_report_22015/ reddit bitcoin bitstamp phishing hacking hacked security incident report analysis scribd

3qhrndgw 2015-07-29T18:14:17+00:00 https://www.reddit.com/r/Bitcoin/comments/3dziud/cure_aging_wbitcoin/ctaaffc?context=3 reddit bitcoin gmaxwell sens-foundation mfoundation fable-of-the-dragon-tyrant sens methuselah-foundation aging transhumanism

iqy7jx5m 2015-08-09T14:44:49+00:00 https://www.reddit.com/r/Bitcoin/comments/3gcbw5/how_should_bitcoin_be_governed_upcoming_epicenter/ reddit bitcoin epicenter governance gavinandresen max-block-size block-size podcast questions

7kf72ig5 2015-08-09T21:12:49+00:00 https://www.reddit.com/r/Bitcoin/comments/3bfl6f/adam_back_gavin_you_appear_to_not_understand_the/ reddit bitcoin adam3us gavinandresen max-block-size block-size lightning-network lightning

fjxoa3ex 2015-08-11T18:10:12+00:00 https://www.reddit.com/r/bitcoin_uncensored/comments/3gjnmd/lightning_may_not_be_a_scaling_solution/ reddit bitcoin lightning-network money-transmission money-transmitter-licenses money-transmitter-license money-transmitter-licensing regulation lightning

ogu3suow 2015-08-17T04:36:33+00:00 https://www.reddit.com/r/Bitcoin/comments/3h7eei/greg_luke_adam_if_xt_takes_over_and_wins_the/cu5bw5h reddit bitcoin petertodd payment-channels bitcoinj history jeremy-spilman double-spending matt-corallo hub-and-spoke

nfumi4d2 2015-08-27T22:52:23+00:00 https://www.reddit.com/r/Bitcoin/comments/2rji9f/looking_before_the_scaling_up_leap_by_gavin/cngju7f reddit bitcoin gmaxwell consensus hard-fork bug leveldb bdb berkeleydb bitcoin-core bitcoin-core-0.7 bitcoin-core-0.8 bitcoind

i5ec2z6h 2015-08-29T04:38:42+00:00 https://www.reddit.com/r/Bitcoin/comments/hpvh3/solving_scalability_and_upgrade_path_problems/ reddit bitcoin year-2011 scalability killerstorm hubcoin chain-migration coin-migration

vhfwwkjx 2015-09-02T13:38:04+00:00 https://www.reddit.com/r/Bitcoin/comments/3j8rg1/an_open_letter_to_the_bitcoin_community_from_the/cuo2ea8?context=2 reddit bitcoin letter mike-hearn gmaxwell

5yof5ldb 2015-09-04T04:45:07+00:00 https://reddit.com/r/Bitcoin/comments/3jj6dx/regarding_bip100_lukejr_believes_we_need_even/cuq47ty?context=2 reddit bitcoin gmaxwell transactions cut-through lightning-network compression

lxtkyrxa 2015-09-09T12:57:47+00:00 https://www.reddit.com/r/Bitcoin/comments/3k3c8m/nick_szabo_if_banks_want_benefits_of_blockchains/cuv01z4 reddit bitcoin maaku lightning-network explanation write-cache write-cache-layer file-system analogy

2t4cvkje 2014-09-18T16:37:48+00:00 https://news.ycombinator.com/item?id=8326836 hn hackernews bitcoin coinbase toshi comments hacker-news

y35u2dc2 2014-09-22T14:01:23+00:00 https://news.ycombinator.com/item?id=6713537 hackernews hn tidbit bitcoin mining client-side client hacker-news

yexcvcrj 2014-10-18T02:05:18+00:00 https://news.ycombinator.com/item?id=8457298 bitcoin scam rip-off ripoff robocoin hacker-news hn atm

nzd2wc6n 2014-10-23T01:07:30+00:00 https://news.ycombinator.com/item?id=8479514 hacker-news bitcoin fedcoin proposal cryptocurrency bad-idea federal-reserve currency economics

o2w6t6e7 2014-10-23T14:34:19+00:00 https://news.ycombinator.com/item?id=8497303 hacker-news bitcoin tor arxiv paper discussion patio11 vmg anonymity privacy

hbsarexf 2014-11-10T16:32:16+00:00 https://news.ycombinator.com/item?id=7277865 hacker-news gmaxwell fractional-reserve bitcoin non-fractional proof reserves exchanges exchange proof-of-reserves proof-of-solvency nullc merkle-trees merkle-tree fractional-reserves deposits

fsoqa6wh 2014-12-05T02:02:56+00:00 https://news.ycombinator.com/item?id=8701277 hacker-news reddit bitcoin cryptocurrency discussions sites hn4hn4 lobsters coinspotting thecurrency.io

bj6tpemg 2014-12-06T14:25:49+00:00 https://news.ycombinator.com/item?id=8708844 hacker-news bitcoin ripple stellar consensus distributed-consensus decentralization

t7fn5ctu 2014-12-13T15:42:37+00:00 https://news.ycombinator.com/item?id=8744984 bitcoin blockchain malware botnet botnets command-and-control hacker-news botcoin

x2zu7ml6 2014-12-13T18:45:34+00:00 https://news.ycombinator.com/item?id=8733368 hacker-news bitcoin microsoft xboxone xbox bitpay

rbdt3tly 2015-01-26T13:57:39+00:00 https://news.ycombinator.com/item?id=8944449 hacker-news coinbase coinbase-exchange exchange bitcoin regulation regulated wsj wall-street-journal fincen money-transmitters money-transmitter-license money-transmission-license sipc gemini bitstamp campbx kraken coinsetter coinx coinhub

5s2raj6d 2015-02-04T23:35:56+00:00 https://news.ycombinator.com/item?id=8999644 hacker-news ross-ulbricht conviction dread-pirate-roberts silk-road bitcoin trial ross-ulbricht-trial

x2haz2x6 2015-04-03T14:47:09+00:00 https://news.ycombinator.com/item?id=9311843 hacker-news bitcoin criticism

oayx6ndk 2015-04-04T21:10:39+00:00 https://news.ycombinator.com/item?id=9321928 hacker-news bitcoin gold-standard gold world-war-1 nations countries debt war currency

koe7a27m 2015-04-08T17:39:13+00:00 https://news.ycombinator.com/item?id=9341687 hacker-news gmaxwell stellar stellar-foundation consensus proof-of-work proof-of-stake ripple ripple-labs opencoin cryptocurrency bitcoin vbuterin mazieres nullc ledgers criticism review protocols

gkf5czfw 2015-06-02T22:32:44+00:00 https://bitcoinmagazine.com/20618/blockstream-starts-development-lightning-network/ bitcoinmagazine bitcoin blockstream lightning lightning-network payment-channels rusty-russel giulio-prisco

koltfa5u 2015-06-13T15:50:58+00:00 http://techcrunch.com/2015/06/13/down-the-blockchain-rabbit-hole/ techcrunch news bitcoin blockchain blockstream sidechains lightning-network lightning confidential-transactions segregated-witness alpha-sidechain elements-project elements alpha payment-channels

kfim4tvs 2015-06-14T14:48:11+00:00 https://lightning.network/lightning-network-paper-DRAFT-0.5.pdf lightning-network lightning network bitcoin payment-channels payments cryptocurrency paper filetype-pdf whitepaper micropayments joseph-poon thaddeus-dryja off-blockchain

qnhz2b23 2015-08-11T15:40:10+00:00 http://thunder.network/ lightning-network thunder-network mats-jerratsch matsjj bitcoin lightning software open-source java

mcvmlf4l 2015-08-12T17:15:41+00:00 http://bitcoinist.net/hashplex-exclusive-interview-lightning-hub-open-source-release/ hashplex python lightning-network lightning open-source software interview bernard-rihn jasper-hugunin bitcoin news bitcoinist

2yu2zcdn 2015-08-17T16:27:45+00:00 http://softwareengineeringdaily.com/2015/08/17/sidechains-and-lightning-networks-with-rusty-russell/ podcast bitcoin rusty-russell sidechains lightning-network blockstream interview

qdd4d3z3 2015-08-30T03:52:14+00:00 https://letstalkbitcoin.com/blog/post/lets-talk-bitcoin-242-meet-the-lightning-network letstalkbitcoin bitcoin podcast lightning-network rusty-russell blockstream interview

mibmrbwe 2015-09-05T15:39:23+00:00 https://lightning.network/lightning-network-paper.pdf bitcoin paper whitepaper filetype-pdf lightning-network payment-channels hub-and-spoke scaling scalability joseph-poon thaddeus-dryja

4xt75k5i 2014-10-24T05:00:57+00:00 http://diyhpl.us/~bryan/papers2/bitcoin/sidechains.pdf filetype-pdf paper bitcoin sidechains pegged-sidechains pegging 2-way-peg two-way-peg adam-back matt-corallo luke-dashjr luke-jr mark-friedenbach gmaxwell amiller andrew-miller andytoshi andrew-poelstra jorge-timon jtimon pieter-wuille sipa pwuille maaku thebluematt sidechain bluematt blockstream deterministic-peg simplified-payment-verification dynamic-membership-multiparty-signature

ptgqgc4d 2014-12-10T15:16:45+00:00 http://diyhpl.us/~bryan/papers2/bitcoin/ papers papers2 bitcoin cryptocurrency cryptography cryptology distributed-consensus decentralization consensus research math software

6xuxwb4e 2015-03-09T03:09:38+00:00 http://diyhpl.us/wiki/transcripts/mit-bitcoin-expo-2015/peter-todd-scalability/ petertodd mit bitcoin mit-bitcoin-expo-2015 mit-bitcoin-expo conference transcript scalability blockchain mining miners politics scaling web-scale

lvlnymds 2015-03-09T03:10:22+00:00 http://diyhpl.us/wiki/transcripts/mit-bitcoin-expo-2015/arvind-narayanan/ mit bitcoin mit-bitcoin-expo-2015 mit-bitcoin-expo conference transcript arvind-narayanan multisig signatures cryptography threshold-signatures ecdsa private-keys security

umng2rof 2015-03-09T03:11:04+00:00 http://diyhpl.us/wiki/transcripts/mit-bitcoin-expo-2015/decentralization-through-game-theory/ mit bitcoin mit-bitcoin-expo-2015 mit-bitcoin-expo conference transcript andreas-antonopoulos game-theory mining miners sudoku proof-of-work blockchain

7jti3lts 2015-03-09T03:11:49+00:00 http://diyhpl.us/wiki/transcripts/mit-bitcoin-expo-2015/keynote-gavin-andresen/ mit bitcoin mit-bitcoin-expo-2015 mit-bitcoin-expo conference transcript gavinandresen blockchain block-sizes block-size size scaling scalability transactions optimization improvements

vr5k4jrx 2015-03-09T03:12:54+00:00 http://diyhpl.us/wiki/transcripts/mit-bitcoin-expo-2015/matt-corallo-sidechains/ mit bitcoin mit-bitcoin-expo-2015 mit-bitcoin-expo conference transcript matt-corallo thebluematt bluematt blockstream blockchain sidechains sidechain soft-forks hard-forks orphans orphan-blocks

b27b6q6v 2015-03-09T03:13:57+00:00 http://diyhpl.us/wiki/transcripts/mit-bitcoin-expo-2015/some-questions-for-bitcoiners/ mit bitcoin mit-bitcoin-expo-2015 mit-bitcoin-expo conference transcript joi-ito nsa bacteria gut-bacteria gut-biome gut-microbiome gut-microbes gut-flora fecal-matter-transplants fecal-matter feces artificial-intelligence linus-torvalds development academia blockchain technology research

zjqd7ins 2015-03-09T03:15:32+00:00 http://diyhpl.us/wiki/transcripts/mit-bitcoin-expo-2015/zerocash-and-zero-knowledge-succint-arguments-of-knowledge-libsnark/ mit bitcoin mit-bitcoin-expo-2015 mit-bitcoin-expo conference transcript madars-virza zero-knowledge-proofs zero-knowledge proofs snarks zksnarks libsnark libzerocash zerocash puzzles privacy probabilistically-checkable-proofs proof trusted-setup

tp3xwxsh 2015-06-09T14:31:42+00:00 http://diyhpl.us/wiki/transcripts/gmaxwell-sidechains-elements/ diyhplus transcript gmaxwell sidechains elements blockstream bitcoin blockchain experiments experimentation presentation sidechain elements-project sidechain-elements open-source software confidential-transactions segregated-witness pieter-wuille relative-lock-time absolute-lock-time lock-time maaku mark-friedenbach schnorr-signature-validation schnorr-signatures schnorr ecdsa patrick-strateman secp256k1 CHECKSIGFROMSTACK DETERMINISTICRANDOM opcodes scripting smart-contracts contracts glenn-willen gwillen CHECKSIG checksig signatures matt-corallo bluematt deterministic-peg deterministic-pegs simplified-payment-verification jorge-timon jtimon signed-blocks dynamic-membership-multiparty-signature dmms elements-alpha asset-issuance assets bitmasksighash sighash CHECKSIG2 testnet CHECKSEQUENCEVERIFY programming

nutqdg25 2015-06-14T14:51:20+00:00 http://diyhpl.us/wiki/transcripts/bitcoin-adam3us-fungibility-privacy/ diyhpluswiki wiki transcript adam3us adam-back blockstream bitcoin cryptocurrency zerocoin zerocash zero-knowledge-proofs zero-knowledge proofs cryptography ecash digicash david-chaum stefan-brands electronic-cash electronic-money decentralization payments payment-processors anonymity privacy finance financial currency b-money bit-gold wei-dai nick-szabo cypherpunks satoshi-nakamoto remailers anonymous-remailers email banks zero-knowledge-systems certificate-authorities identity byzantine-generals-problem edward-snowden snowden ripple atomic-swaps committed-transactions blockchain schnorr-signatures schnorr rsa blind-signatures bank-notes fungibility sha256 economics central-banks banking

6j2odgw5 2015-06-14T14:51:34+00:00 http://diyhpl.us/wiki/transcripts/bitcoin-sidechains-unchained-epicenter-adam3us-gmaxwell/ diyhpluswiki wiki transcript adam3us adam-back gmaxwell blockstream bitcoin cryptocurrency blockchain sidechains extension-blocks simplified-payment-verification spv soft-forks soft-forking hard-forks hard-forking zerocash max-block-size block-size daemons bitcoin-core protocol decentralization open-source software cryptography backwards-compatibility backwards-compatible bip16 bip34 bip30 consensus spv-clients spv-client sidecoind sidechaind bitcoind consensus-risk moxiebox OP_MOXIE p2sh pay-to-script-hash pay-to-scripthash addresses bitcoin-addresses script bitcoin-script ethereum counterparty mastercoin sha256 economics finance central-banks gold systemic-risk real-time-auditing auditing audits cryptographic-infrastructure opcodes

4nsbj2a6 2015-08-31T19:35:29+00:00 http://diyhpl.us/~bryan/papers2/bitcoin/Merklized%20abstract%20syntax%20trees.pdf bitcoin merklized-abstract-syntax-trees merklized-abstract-syntax-tree merkle-tree abstract-syntax-tree paper research jeremy-rubin manali-naik nitya-subramanian filetype-pdf scalability scaling merkle-trees hashes hash-tree hash-trees

akxhwnnl 2015-09-01T14:25:23+00:00 http://diyhpl.us/~bryan/papers2/bitcoin/bitfury-report-on-block-size-increase.pdf bitcoin bitfury block-size max-block-size research document paper filetype-pdf year-2015

etnwvuwf 2015-09-08T13:40:13+00:00 http://diyhpl.us/wiki/transcripts/2015-09-07-epicenter-bitcoin-adam3us-scalability/ bitcoin adam-back adam3us epicenter year-2015 scalability scaling interview transcript

rjokr76r 2015-09-23T21:02:56+00:00 https://github.com/dgenr8/out-there/blob/master/ds-dep-win.md bitcoin dgenr8 temporary-chain-work-penalty chain-work-penalty penalties penalty blockchain transactions double-spends transaction-inclusion rules deprecation-window double-spending proposal