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Date: Sat, 24 Feb 2024 15:58:55 +0000
From: Peter Todd <pete@petertodd.org>
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Subject: [bitcoindev] Over Half of Replace-by-Fee-Rate Replacements Are Mined
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Cross-post of a blog post article at https://petertodd.org/2024/replace-by-=
fee-rate-success-rate,
for the purpose of discussion.

---
layout: post
title:  "Over Half of Replace-by-Fee-Rate Replacements Are Mined"
date:   2024-02-24
tags:
- bitcoin
- rbf
- rbfr
---

I recently released a [prototype Libre Relay fork](https://github.com/peter=
todd/bitcoin/tree/libre-relay-v26.0) of Bitcoin Core v26.0, that among
other things, implements [Pure Replace-By-Fee-Rate](/2024/one-shot-replace-=
by-fee-rate#pure-replace-by-fee-rate) (RBFR)
with a 2x ratio. This means that transactions will be replaced if the fee-r=
ate
of the new transaction is at least 2x higher than the old transaction(s), e=
ven
if the absolute fee is lower.

RBFR policies are highly desirable for Lightning and similar smart contract
systems as they have the potential to help solve pinning attacks, by ensuri=
ng
that it's always possible to make forward progress in a protocol by bidding=
 a
fee rate sufficiently high to get mined in a short period of time. The only
question is whether or not some form of RBFR is feasible to implement.

Even though RBFR allows the total fee of a mempool to be reduced, one reaso=
n
why it is incentive compatible for miners is because it is likely that a RB=
FR
transaction will be mined by another miner anyway: mempools do *not* have
strict consensus, and miners mine transactions in what is essentially fee-r=
ate
order. Thus it is likely that even without RBFR a higher fee-rate transacti=
on
will be picked up by another miner, invalidating the lower fee-rate
transactions it conflicted with.

Here I'll present data showing this is in fact the case. At the moment, I h=
ave
no reason to believe that any miners have implemented RBFR. Yet, in the pas=
t
month, of the RBFR replacements seen by one of my well-connected Libre Rela=
y
nodes, meeting the current 2x fee-rate requirement, at least 64% of those
replacements were mined by a variety of pools. This success rate suggests t=
wo
things:

1. By _not_ implementing RBFR, miners are leaving money on the table by fai=
ling to mine profitable transactions now, before other miners collect those=
 fees.
2. Relaying RBFR replacements is a good use of relay bandwdith, because the=
 majority of transactions are getting mined.

In conclusion, more nodes and miners should experiment with running RBFR, e=
g by
running Libre Relay.


## Limitations

This is a fairly limited data set: just 14 RBFR replacements in total over =
a 1
month period. Based on inspection of the transactions, they most likely
originate from a variety of different wallets in circumstances where one or
more transactions were replaced by a double-spend because the original
transaction(s) were of fee-rates too low to be quickly mined.

I only tried to analyze RBFR replacements in cases where the absolute fee
decreased. There are cases where the absolute fee can increase. Yet the
replacement is still RBFR as the fee was not increased *sufficiently* to be=
 a
normal BIP125 RBF replacement. Due to how I was collecting logs, actually
finding those replacements isn't easy, so I didn't bother. Thus my count of=
 14
RBFR replacements is probably an underestimate.


## Data

The following is my actual notes that I used while analyzing the log file d=
ata
from my node:

```
Log start: Jan 23rd 2024
Log end: Feb 23rd 2024

grep replacing ~/.bitcoin/debug.log  |cut -d ' ' -f 11 | sort -n | head -n =
50

2024-02-14T08:34:48Z [mempool] replacing tx 238459ee4e10b6ba6b8d4008c77d9bd=
2333ee1c81105f7be0e45497a6649c073 (wtxid=3Dc328f7cca2aa3b3468d7cbf866138ff2=
a687125f91bee2cd1b653865f18dd5e3) with b8b7252047f5725531a9f1020f011e9d9b24=
d50ce2362fb5ef80a622b6f5280b (wtxid=3D1f987a7b85f958751803a276e631c16aa2704=
ecdf2cd70d32a8640483ba384b7) for -0.00022019 additional fees, -168 delta by=
tes
2024-02-14T08:34:48Z [mempool] replacing tx 71b0c8ca444b60bfb16a19bad8b399c=
2b5e9722865e00e713d47c65cf77728a3 (wtxid=3Dd9f8dec57ff3905694691ea871897fa7=
e2011a6a7a95132a63fb4166942895b9) with b8b7252047f5725531a9f1020f011e9d9b24=
d50ce2362fb5ef80a622b6f5280b (wtxid=3D1f987a7b85f958751803a276e631c16aa2704=
ecdf2cd70d32a8640483ba384b7) for -0.00022019 additional fees, -168 delta by=
tes

outcome: unknown, as none of the transactions above were mined


2024-01-24T04:08:22Z [mempool] replacing tx c827e801a46db784892718bde7115fe=
fda59dad3db095c75df820fc42ccf3916 (wtxid=3Dc827e801a46db784892718bde7115fef=
da59dad3db095c75df820fc42ccf3916) with e053b6efef61bc76463fe1e916043b0aa84d=
2f8383c5b4efac7e70c279df4c2e (wtxid=3De053b6efef61bc76463fe1e916043b0aa84d2=
f8383c5b4efac7e70c279df4c2e) for -0.00015576 additional fees, -1184 delta b=
ytes
2024-01-24T04:08:22Z [mempool] replacing tx c5bb43f2411b4617677a73663f148a7=
3478ab6c9d01362110784724542c4842d (wtxid=3Dc5bb43f2411b4617677a73663f148a73=
478ab6c9d01362110784724542c4842d) with e053b6efef61bc76463fe1e916043b0aa84d=
2f8383c5b4efac7e70c279df4c2e (wtxid=3De053b6efef61bc76463fe1e916043b0aa84d2=
f8383c5b4efac7e70c279df4c2e) for -0.00015576 additional fees, -1184 delta b=
ytes
2024-01-24T04:08:22Z [mempool] replacing tx edbf7a134ec379938fc27dc3a4df0e4=
d145676dea818459af2653383ab49d574 (wtxid=3Dedbf7a134ec379938fc27dc3a4df0e4d=
145676dea818459af2653383ab49d574) with e053b6efef61bc76463fe1e916043b0aa84d=
2f8383c5b4efac7e70c279df4c2e (wtxid=3De053b6efef61bc76463fe1e916043b0aa84d2=
f8383c5b4efac7e70c279df4c2e) for -0.00015576 additional fees, -1184 delta b=
ytes
2024-01-24T04:08:22Z [mempool] replacing tx 31b74b7375c966a9a27ee5ed9146e29=
13a2e55ac7ccee5c8bcc74be4048a97b6 (wtxid=3D31b74b7375c966a9a27ee5ed9146e291=
3a2e55ac7ccee5c8bcc74be4048a97b6) with e053b6efef61bc76463fe1e916043b0aa84d=
2f8383c5b4efac7e70c279df4c2e (wtxid=3De053b6efef61bc76463fe1e916043b0aa84d2=
f8383c5b4efac7e70c279df4c2e) for -0.00015576 additional fees, -1184 delta b=
ytes
2024-01-24T04:08:22Z [mempool] replacing tx e012768b6069c2e61a53cb31de293bc=
befcb715c818e9b6b50e2034329ddbcee (wtxid=3De012768b6069c2e61a53cb31de293bcb=
efcb715c818e9b6b50e2034329ddbcee) with e053b6efef61bc76463fe1e916043b0aa84d=
2f8383c5b4efac7e70c279df4c2e (wtxid=3De053b6efef61bc76463fe1e916043b0aa84d2=
f8383c5b4efac7e70c279df4c2e) for -0.00015576 additional fees, -1184 delta b=
ytes

outcome: e053b6efef61bc76463fe1e916043b0aa84d2f8383c5b4efac7e70c279df4c2e w=
on, mined by f2pool; unclear how old replaced txs were


2024-02-10T01:48:15Z [mempool] replacing tx 6cff130587e5424ff11157ae4e84aa3=
a8b1663b591d77b0b3029258b65164274 (wtxid=3D028d3f85bac8aba30a2ab5c598f9dd51=
1e5f3d6a8e8b03b01021b9b70ef60f1a) with 34debb7e99e0539d3671105aae44a6b06ae0=
b0b56907deb3232caa45ec75efc1 (wtxid=3Dc85cf5b3cb64328dc455d8b2e62ba61ff48a3=
4b7e3059128ef04b95b64b58683) for -0.00009301 additional fees, -481 delta by=
tes
2024-02-10T01:48:15Z [mempool] replacing tx 8a6c86e7e12af5905abafadbff8c9ed=
d741e34f87559e53472c104504ab16e81 (wtxid=3D76e95ac81ad1ba5151687d4bb4309721=
746271284a4c563c79a201b2c90f0019) with 34debb7e99e0539d3671105aae44a6b06ae0=
b0b56907deb3232caa45ec75efc1 (wtxid=3Dc85cf5b3cb64328dc455d8b2e62ba61ff48a3=
4b7e3059128ef04b95b64b58683) for -0.00009301 additional fees, -481 delta by=
tes
2024-02-10T01:48:15Z [mempool] replacing tx a7258a7a5cef585f75bb9d67eb6f8a2=
bd832bb42e7a4cf962c37ea8c1a3ca3dd (wtxid=3Db3ab131da10e8de47459c4920aff4bc6=
cc5beb34249c41cdeb96b785d9632fac) with 34debb7e99e0539d3671105aae44a6b06ae0=
b0b56907deb3232caa45ec75efc1 (wtxid=3Dc85cf5b3cb64328dc455d8b2e62ba61ff48a3=
4b7e3059128ef04b95b64b58683) for -0.00009301 additional fees, -481 delta by=
tes
2024-02-10T01:48:15Z [mempool] replacing tx 624e6a56f8bd9acaf594a180d77fa2d=
ad21ec0164f6496b1875af600e3d64cf2 (wtxid=3D26afba898925788e23781d509dd3918f=
ca8b2cdeaf6ff06a65640cb639b5a1bd) with 34debb7e99e0539d3671105aae44a6b06ae0=
b0b56907deb3232caa45ec75efc1 (wtxid=3Dc85cf5b3cb64328dc455d8b2e62ba61ff48a3=
4b7e3059128ef04b95b64b58683) for -0.00009301 additional fees, -481 delta by=
tes

outcome: lost


2024-01-24T02:12:47Z [mempool] replacing tx 639ab332c1c257b04cffd3410199cb0=
af547e8ea9f7eeb29f9d0b4b24801680c (wtxid=3D639ab332c1c257b04cffd3410199cb0a=
f547e8ea9f7eeb29f9d0b4b24801680c) with 281405690ccf1e6b3e18b37856fa60d5a66d=
7aae47577776ed8dcef73ce5d6c7 (wtxid=3D281405690ccf1e6b3e18b37856fa60d5a66d7=
aae47577776ed8dcef73ce5d6c7) for -0.00009195 additional fees, -976 delta by=
tes

outcome: 281405690ccf1e6b3e18b37856fa60d5a66d7aae47577776ed8dcef73ce5d6c7 w=
on, mined by f2pool; replaced tx ~4 hours old


2024-01-23T22:57:15Z [mempool] replacing tx 54a33daa3eb300f2ea7261d6f4fdd02=
6424aad3a9e65383b97576d70c59ff625 (wtxid=3D54a33daa3eb300f2ea7261d6f4fdd026=
424aad3a9e65383b97576d70c59ff625) with 867f9bf7e1aaec55f2a6552cb6e31ccce7c0=
aa75f9a08ae84c23960fc5951247 (wtxid=3D867f9bf7e1aaec55f2a6552cb6e31ccce7c0a=
a75f9a08ae84c23960fc5951247) for -0.00008978 additional fees, -326 delta by=
tes
2024-01-23T22:57:15Z [mempool] replacing tx 2cee5a3753ea4906677a749300ff95d=
00d4dfd9c1c49fb8ea42b6919e5b8075b (wtxid=3De73f5cfaf6a6c5ec6fa68edcf2c741a2=
c9306bf85e1f2ed6d7424757aa0ceeff) with 867f9bf7e1aaec55f2a6552cb6e31ccce7c0=
aa75f9a08ae84c23960fc5951247 (wtxid=3D867f9bf7e1aaec55f2a6552cb6e31ccce7c0a=
a75f9a08ae84c23960fc5951247) for -0.00008978 additional fees, -326 delta by=
tes

outcome: lost


2024-02-08T02:53:17Z [mempool] replacing tx fdf726e40c61c9e78a4cbefcc38a968=
3b4a270020109ccc6584275d05dcffe88 (wtxid=3D793d89e1d27b1b001d485c277f2228a9=
6674c6d15d21b012e84cffd89bb2f919) with 14b25c18e9ed920fac5e824ac92dc459f61a=
bf89ea5a2c887b48bac4db4d5642 (wtxid=3Df8aac96aebdd5f4ed1094fae09bfe5be062e3=
e14f3907a94cc2573067137d764) for -0.00005916 additional fees, -180 delta by=
tes
2024-02-08T02:53:17Z [mempool] replacing tx 700179e09161b178f4346c296d28d12=
73a5b487a10e1dad6c90a763736fc40b6 (wtxid=3Db39281d543eacd32187b5b9b226dddfc=
cdf33c6d979bfd8d58b73d5168d60968) with 14b25c18e9ed920fac5e824ac92dc459f61a=
bf89ea5a2c887b48bac4db4d5642 (wtxid=3Df8aac96aebdd5f4ed1094fae09bfe5be062e3=
e14f3907a94cc2573067137d764) for -0.00005916 additional fees, -180 delta by=
tes

outcome: unclear, as fdf72 never got mined and don't have logs as to what i=
t actually was


2024-02-14T08:33:03Z [mempool] replacing tx e16b43bfc2fb510ed2d7e5e4e89f947=
90f5f44ef6c643efe5eab1b12a30f016f (wtxid=3D7536fbdcfcfe3381be4f6bffed2ef682=
28615c1b29080029389cf6b29e0a4bd1) with 71b0c8ca444b60bfb16a19bad8b399c2b5e9=
722865e00e713d47c65cf77728a3 (wtxid=3Dd9f8dec57ff3905694691ea871897fa7e2011=
a6a7a95132a63fb4166942895b9) for -0.0000588 additional fees, -168 delta byt=
es
2024-02-14T08:33:03Z [mempool] replacing tx b309997ea34321a16649bdb0998b1e6=
252aa48ed5f293ae1c251db6cd32dd9a5 (wtxid=3Db18d3e91956ddb7e78590aad4e3bdb25=
f5ec44e912ff96bacd5426c71f2b3f3d) with 71b0c8ca444b60bfb16a19bad8b399c2b5e9=
722865e00e713d47c65cf77728a3 (wtxid=3Dd9f8dec57ff3905694691ea871897fa7e2011=
a6a7a95132a63fb4166942895b9) for -0.0000588 additional fees, -168 delta byt=
es

outcome: lost


2024-01-24T12:51:40Z [mempool] replacing tx 622d04cfa4b0c2da7ff52d787369139=
f14dfb7374ce8361636eeaf1ede0d1795 (wtxid=3D8107c0f45175d1cc07bf0fbf12ccd05b=
ce2bd01adf9a75ff6fb20023fdb2b565) with 5c611198a41cb9f8ec9a44c3d66752312524=
dc265ee9ccbacf338dd14b202f8c (wtxid=3Db0567ae9a84f4467a6fe70f84de4dc89b9aec=
1aca156419b1463149055e7b27b) for -0.00005218 additional fees, -402 delta by=
tes
2024-01-24T12:51:40Z [mempool] replacing tx ded2f2189c2d6292104457d4d8006bb=
0e6f06b5be7c63fa3893bcd83059313a3 (wtxid=3Df43098191c4674c480ef2a2780155611=
01043b815be484feb776b9e2a1cac9ed) with 5c611198a41cb9f8ec9a44c3d66752312524=
dc265ee9ccbacf338dd14b202f8c (wtxid=3Db0567ae9a84f4467a6fe70f84de4dc89b9aec=
1aca156419b1463149055e7b27b) for -0.00005218 additional fees, -402 delta by=
tes
2024-01-24T12:51:40Z [mempool] replacing tx ee09c7533f59ee69dc8bea7f1b63ea9=
b10ede7de3c2fb2ee0870b6160cac74ab (wtxid=3D30575e5c7d64222687febebd47124bbc=
25ec06ae90ebaf679ed120684fe73075) with 5c611198a41cb9f8ec9a44c3d66752312524=
dc265ee9ccbacf338dd14b202f8c (wtxid=3Db0567ae9a84f4467a6fe70f84de4dc89b9aec=
1aca156419b1463149055e7b27b) for -0.00005218 additional fees, -402 delta by=
tes
2024-01-24T12:51:40Z [mempool] replacing tx 04c4dd8ac5c9356e34aed870e9b221d=
a2e358c904e6c8abecb1edc63b6808fdd (wtxid=3De4f39d7cd0614b7e85b33e213989aed3=
376d4b78787081c2e6a3c32fb20bb5b8) with 5c611198a41cb9f8ec9a44c3d66752312524=
dc265ee9ccbacf338dd14b202f8c (wtxid=3Db0567ae9a84f4467a6fe70f84de4dc89b9aec=
1aca156419b1463149055e7b27b) for -0.00005218 additional fees, -402 delta by=
tes

outcome: 5c611198a41cb9f8ec9a44c3d66752312524dc265ee9ccbacf338dd14b202f8c w=
on, mined by mara pool; unclear how old replaced txs were


2024-02-09T22:09:44Z [mempool] replacing tx ec5e68cc99d1184a5e01c92a01cee43=
104e09934eacb9489bd71039240b2409f (wtxid=3D0c179ced549a2ce013ecf75e210d6de4=
3c5331d6c06c1593a2d7619216e2f6ae) with 1d25f2be63cad67c68528bfdcdf248fda190=
9dd7bef71f27a5fe9056ff9368b7 (wtxid=3D2d6e55531676b7b3b0dba67a9367f3f255364=
63c3e96c59b1c0b67945c4d90bc) for -0.00003893 additional fees, -1133 delta b=
ytes

outcome: 1d25f2be63cad67c68528bfdcdf248fda1909dd7bef71f27a5fe9056ff9368b7 w=
on, mined by f2pool; replaced tx was ~35 hours old


2024-02-15T15:00:13Z [mempool] replacing tx 4d4deb6e9170486724cdb0df8a1e4a1=
869d8b09c3e734a4781488a37417df8be (wtxid=3D4b65734a764b80cd80dccd26180ec7cb=
a7463e66f347969c3b9ff450be8adfd7) with bbb06e7bd26e3010c9c0c8907850ac27aa7d=
842f8a888d757e41e1cf7c4f8cc0 (wtxid=3D88410651f659d234115180c959af0c958fb19=
e427cddd2b57c670c40fa37b59a) for -0.00003468 additional fees, -1487 delta b=
ytes
2024-02-15T15:00:13Z [mempool] replacing tx 21696be674c6b02d013baf58f7f8f2b=
de8db6de17a8bc413714b69e3f2f9a0c8 (wtxid=3Db5d3e6f97bd695450fcb00731e69b2c4=
cf671508e17f5068cc4ee28e8d3edb42) with bbb06e7bd26e3010c9c0c8907850ac27aa7d=
842f8a888d757e41e1cf7c4f8cc0 (wtxid=3D88410651f659d234115180c959af0c958fb19=
e427cddd2b57c670c40fa37b59a) for -0.00003468 additional fees, -1487 delta b=
ytes

outcome: bbb06e7bd26e3010c9c0c8907850ac27aa7d842f8a888d757e41e1cf7c4f8cc0 w=
on, mined by f2pool; replaced txs were multiple days old


2024-02-04T16:11:10Z [mempool] replacing tx bfe8dbd86485710e0d562b8b4df5858=
3aeb96f26beb180668f113127acffb3fb (wtxid=3Dbac1485cc7cc99e46525c258fe682284=
e2ae9a9a650ea547a83719cab9cbc8c0) with 6cc0ea35c16a99828071d0ace21726c889cc=
920c6e4986b58c2e08ed0024787e (wtxid=3D51d23c0488460dd3e3db887c13a724eefdd2e=
0660d7abaf5ab598fe2334ddb15) for -0.00002919 additional fees, -360 delta by=
tes

outcome: 6cc0ea35c16a99828071d0ace21726c889cc920c6e4986b58c2e08ed0024787e w=
on, mined by mara pool; replaced tx was ~13 hours old


2024-02-21T12:36:46Z [mempool] replacing tx 2a73fdfdb16a71f55ad6fb0e3165029=
c51b6b9247fdb88e0e44ad2bb432f8612 (wtxid=3D3fb092bf764450f3c90cc8856a578283=
a6586ecda5271004df0db4e65faab0a1) with 1a188e2d321f2b4a544a46843f9c0ce16bdd=
2cb40b560815297bfab506f53aa5 (wtxid=3D589dbfe1f80a569bd9253e61b88dfb8ea5e93=
05698a060bf68633852c75e596f) for -0.0000167 additional fees, -208 delta byt=
es
2024-02-21T12:36:46Z [mempool] replacing tx ace0e82d9b3df4a4571d2b764223626=
536fb4a21bb19eff110cbe235cacb8062 (wtxid=3D8f45a033255c246ecf67bef065ba9be1=
d4c38295aa0a2849f641c69b13123bfc) with 1a188e2d321f2b4a544a46843f9c0ce16bdd=
2cb40b560815297bfab506f53aa5 (wtxid=3D589dbfe1f80a569bd9253e61b88dfb8ea5e93=
05698a060bf68633852c75e596f) for -0.0000167 additional fees, -208 delta byt=
es

outcome: 1a188e2d321f2b4a544a46843f9c0ce16bdd2cb40b560815297bfab506f53aa5 w=
on, mined by antpool; replaced txs only a few minutes old


2024-01-25T00:52:59Z [mempool] replacing tx 3bdd7b3c76cde41c0d8602a4d21c277=
350bc2f111f1ce1e543b6b49957c43244 (wtxid=3D3bdd7b3c76cde41c0d8602a4d21c2773=
50bc2f111f1ce1e543b6b49957c43244) with d38eaf2d7a0a4443703a1f52804aadf2ded6=
c92bcd010ece323b7dea66427910 (wtxid=3Dd38eaf2d7a0a4443703a1f52804aadf2ded6c=
92bcd010ece323b7dea66427910) for -0.00001142 additional fees, -191 delta by=
tes
2024-01-25T00:52:59Z [mempool] replacing tx 24c977c2306a56bb29734e97f1d5c67=
4e324b090a108a267cd9a91ef84d8d671 (wtxid=3D24c977c2306a56bb29734e97f1d5c674=
e324b090a108a267cd9a91ef84d8d671) with d38eaf2d7a0a4443703a1f52804aadf2ded6=
c92bcd010ece323b7dea66427910 (wtxid=3Dd38eaf2d7a0a4443703a1f52804aadf2ded6c=
92bcd010ece323b7dea66427910) for -0.00001142 additional fees, -191 delta by=
tes

outcome: d38eaf2d7a0a4443703a1f52804aadf2ded6c92bcd010ece323b7dea66427910 w=
on, mined by mara pool; replaced txs ~20 minutes old


2024-02-20T01:11:00Z [mempool] replacing tx 2d58982eacae6acdebc719018de6266=
9a8d47bdac068e8f48316406ab1ac4b03 (wtxid=3Df99e1001786a067d48045dc7abc7f3bc=
2cb98e9578f3dc1bb90fc93a004d6b47) with 9f5e001faf92b801eb626587f68986bf2ff1=
a8c3eddaa0d471d28bcdabe4af54 (wtxid=3Dab043f343c704f90af12a252b98cdf15c0e7a=
db2eb07abe9b8579ba13e4d3353) for -0.00000198 additional fees, -349 delta by=
tes
2024-02-20T01:11:00Z [mempool] replacing tx 300e937ea3617a99d1a9f0bcbdb7b51=
ad8785015e343e40822071653d913da2c (wtxid=3D253af0c23392ba028a8af719bdada8dc=
4aab0bcd6c4dd7b146a4b0717fd83d1c) with 9f5e001faf92b801eb626587f68986bf2ff1=
a8c3eddaa0d471d28bcdabe4af54 (wtxid=3Dab043f343c704f90af12a252b98cdf15c0e7a=
db2eb07abe9b8579ba13e4d3353) for -0.00000198 additional fees, -349 delta by=
tes
2024-02-20T01:11:00Z [mempool] replacing tx f758901698069d7649e02b50d7f96b6=
ade7f4d782a17fc7a5d0b4f95c7f595ea (wtxid=3D9a9f7d5398f9f56d113448cab25dfd17=
714727fc4f912b3a72f36d4ef005b1d6) with 9f5e001faf92b801eb626587f68986bf2ff1=
a8c3eddaa0d471d28bcdabe4af54 (wtxid=3Dab043f343c704f90af12a252b98cdf15c0e7a=
db2eb07abe9b8579ba13e4d3353) for -0.00000198 additional fees, -349 delta by=
tes

outcome: 9f5e001faf92b801eb626587f68986bf2ff1a8c3eddaa0d471d28bcdabe4af54 w=
on, mined by sbi crypto; replaced txs were many hours old

total: 14
unclear: 2
lost: 3
rbfr mined: 9

total rbfr mined: 64%
```

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https://petertodd.org 'peter'[:-1]@petertodd.org

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