To: ZmnSCPxj <ZmnSCPxj@protonmail.com>,
	Bitcoin Protocol Discussion <bitcoin-dev@lists.linuxfoundation.org>
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From: Aymeric Vitte <vitteaymeric@gmail.com>
Message-ID: <d1cfa2e9-69e4-ee02-4c10-23b2b1a30e00@gmail.com>
Date: Thu, 4 Apr 2019 19:18:30 +0200
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Subject: Re: [bitcoin-dev] Smart Contracts Unchained
Precedence: list

What if the smart contract platform(s) disappear?

The proposal induces a very centralized system, to my knowledge all of 
existing sidechains whether on bitcoin or ethereum are centralized, 
except lightning (if we forget that someone must watch what others are 
doing when you are on a trek in Nepal)

Now I don't get why a sidechain should be a blockchain on top on another 
one (given also that we can't consider bitcoin or ethereum as 
decentralized today, so the path might be long for the sidechains...), 
the latest is used to store the final state, the former does not have to 
store forever the intermediate states, then it could just use a 
decentralized system (not necessarilly blockchain-like) to store the 
intermediate states and maybe be a distributed escrow

I know, easy to say, please do it (why not), now the fact that 
sidechains claim to be decentralized or that they will be is just 
misleading people (that's not the case of your proposal but it does not 
say what happens if the platforms go down)


Le 04/04/2019 à 03:55, ZmnSCPxj via bitcoin-dev a écrit :
> https://zmnscpxj.github.io/bitcoin/unchained.html
>
> Smart contracts have traditionally been implemented as part of the consensus rules of some blokchain.  Often this means creating a new blockchain, or at least a sidechain to an existing blockchain.  This writeup proposes an alternative method without launching a separate blockchain or sidechain, while achieving security similar to federated sidechains and additional benefits to privacy and smart-contract-patching.
> _______________________________________________
> bitcoin-dev mailing list
> bitcoin-dev@lists.linuxfoundation.org
> https://lists.linuxfoundation.org/mailman/listinfo/bitcoin-dev

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