Re: [bitcoin-dev] Debate: 64 bytes in OP_RETURN VS taproot OP_FALSE OP_IF OP_PUSH

From: Claus Ehrenberg <aubergemediale@gmail•com>
To: Aymeric Vitte <aymeric@peersm•com>,
	 Bitcoin Protocol Discussion
	<bitcoin-dev@lists•linuxfoundation.org>
Subject: Re: [bitcoin-dev] Debate: 64 bytes in OP_RETURN VS taproot OP_FALSE OP_IF OP_PUSH
Date: Thu, 16 Feb 2023 20:59:06 +0100	[thread overview]
Message-ID: <CANPykMq2xCKTVPkQGoRu9iYMdARQKZQq-b5mv3X-7FHKv1FGww@mail.gmail.com> (raw)
In-Reply-To: <228e8706-72c7-8d5f-b6fb-c71a2e56efde@peersm.com>

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I propose to require all data to be in the op_return output PLUS add a
required op_return_hash field, which is checked by consensus. So that node
can re-validate the chain without having to store/download/look at the
contents of op_return data. The benefit of that little redundancy is that
"content-sensitive" communities can ignore the date they don't like.

Cheers
Claus

On Thu, Feb 16, 2023 at 7:30 PM Aymeric Vitte via bitcoin-dev <
bitcoin-dev@lists•linuxfoundation.org> wrote:

> It's super unclear how long it could take for such a change to be adopted
>
> Then the answer is simple, see:
> https://gist.github.com/Ayms/01dbfebf219965054b4a3beed1bfeba7#workaround-to-the-80b-op_return-limitation
>
> Outstandingly, very, mega, bad, but working, bringing bitcoin back 10
> years ago
>
> But why not? If bitcoin folks don't get that we need a 1tx storage
> solution for the future, then let's bring back bitcoin into the past and
> destroy coins
> Le 12/02/2023 à 17:23, Aymeric Vitte a écrit :
>
> https://github.com/bitcoin/bitcoin/issues/27043#issuecomment-1427069403
>
> "What is the process to have someone do the PR for this? Or I do it and
> most likely it will be a very shxtty one since I am not a C/C++ expert,
> then wasting the time of everybody
>
> It's urgently required, I did consider OP_RETURN as a dart in the past but
> changed my mind, it's adapted to the current evolutions, not flooding
> bitcoin with 2 txs while only 1 is needed
>
> If not the best 1 tx solution is super simple: store in addresses, and
> super bad at the end because burning bitcoins, while still not expensive if
> you don't need to store big things"
>
> Le 05/02/2023 à 19:12, Russell O'Connor via bitcoin-dev a écrit :
>
>
>
> On Sat., Feb. 4, 2023, 21:01 Peter Todd, <pete@petertodd•org> wrote:
>
>>
>>
>> On February 5, 2023 1:11:35 AM GMT+01:00, Russell O'Connor via
>> bitcoin-dev <bitcoin-dev@lists•linuxfoundation.org> wrote:
>> >Since bytes in the witness are cheaper than bytes in the script pubkey,
>> >there is a crossover point in data size where it will simply be cheaper
>> to
>> >use witness data.  Where that crossover point is depends on the finer
>> >details of the overhead of the two methods, but you could make some
>> >reasonable assumptions.  Such a calculation could form the basis of a
>> >reasonable OP_RETURN proposal.  I don't know if it would be persuasive,
>> but
>> >it would at least be coherent.
>>
>> I don't think it's worth the technical complexity trying to carefully
>> argue a specific limit. Let users decide for themselves how they want to
>> use OpReturn.
>>
>
> Even better.
>
>>
>
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> --
> Sophia-Antipolis, France
> CV: https://www.peersm.com/CVAV.pdf
> LinkedIn: https://fr.linkedin.com/in/aymeric-vitte-05855b26
> GitHub : https://www.github.com/Ayms
> A Universal Coin Swap system based on Bitcoin: https://gist.github.com/Ayms/029125db2583e1cf9c3209769eb2cdd7
> A bitcoin NFT system: https://gist.github.com/Ayms/01dbfebf219965054b4a3beed1bfeba7
> Move your coins by yourself (browser version): https://peersm.com/wallet
> Bitcoin transactions made simple: https://github.com/Ayms/bitcoin-transactions
> torrent-live: https://github.com/Ayms/torrent-live
> node-Tor : https://www.github.com/Ayms/node-Tor
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> Peersm : http://www.peersm.com
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