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From: dathonohm via Bitcoin Development Mailing List <bitcoindev@googlegroups.com>
To: Peter Todd <pete@petertodd.org>
Cc: "bitcoindev@googlegroups.com" <bitcoindev@googlegroups.com>
Subject: Re: [bitcoindev] [BIP Proposal] Reduced Data Temporary Softfork
Date: Mon, 27 Oct 2025 04:08:52 +0000	[thread overview]
Message-ID: <7U8YuMopR73k4XRYBA8DjhaGLJkyKPuXpxW9p7vmH45JHEyIj_oE_t4xk99hrNdvMGghpmooAMXOmWGaZ4UkwHPndzrpzIL0SX2SoTf0l3w=@proton.me> (raw)
In-Reply-To: <aP6gYSnte7J86g0p@petertodd.org>

Peter -

Thank you for demonstrating what non-contiguous data looks like.

I trust you when you say that you can parse the BIP's contents from this transaction, but all it looks like to me (and the Bitcoin network) is a UTXO broken into 31 pieces then (mostly) re-consolidated into a 0-length OP_RETURN, sending all ~100 USD in fees to the miner.

Since legally hazardous content can be generated from any input data, including your 30-input consolidation transaction (as long as the correct third-party program is used), it would not make sense to hold node operators legally responsible for storing and distributing such input data.

However, if Bitcoin provides an officially supported method of storing arbitrary data (i.e., OP_RETURN), and the capacity of that method is large enough to store hazardous content in a contiguous format (an increase to 100kB is currently underway as Bitcoin Core 30 gains adoption), then one does not need to misinterpret the data in order to view the content. In that case, node operators could conceivably be held responsible for possession and distribution.

Since arbitrary data storage does nothing to benefit Bitcoin as permissionless money, there is no good reason to force this additional legal risk on node operators, who already face enough challenges as it is.

Best,

Dathon


On Sunday, October 26th, 2025 at 4:43 PM, Peter Todd <pete@petertodd.org> wrote:

> On Sat, Oct 25, 2025 at 08:43:11PM +0000, dathonohm via Bitcoin Development Mailing List wrote:
> 
> > Hi list -
> > 
> > Due to Bitcoin Core v30 gaining in popularity, it has become necessary to move forward on luke-jr's ML proposal to temporarily limit arbitrary data at the consensus level, which so far has 3 weeks with no objections:
> > 
> > https://github.com/bitcoin/bips/pull/2017
> 
> 
> Transaction 8e2ee13d2a19951c2777bb3a54f0cb69a2f76dae8baa954cd86149ed1138cb6c
> contains the full text of this BIP as of writing(1), while simultaneously being
> compliant with that BIP.
> 
> Clearly, this approach is ineffective.
> 
> 1) https://github.com/bitcoin/bips/blob/3c718237072c107ced8c3531a487354fbdae55df/bip-%3F%3F%3F%3F.mediawiki
> 
> --
> https://petertodd.org 'peter'[:-1]@petertodd.org
> 
> --
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  parent reply	other threads:[~2025-10-27  5:36 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-10-25 20:43 dathonohm via Bitcoin Development Mailing List
2025-10-26 20:47 ` Jameson Lopp
2025-10-27  4:22   ` dathonohm via Bitcoin Development Mailing List
2025-10-27 12:14     ` Jameson Lopp
2025-10-27 16:35     ` TheWrlck
2025-10-26 22:27 ` Peter Todd
2025-10-27  3:41   ` Jal Toorey
2025-10-27 17:27     ` Max
2025-10-27  4:08   ` dathonohm via Bitcoin Development Mailing List [this message]
2025-10-27 18:29     ` Kyle Stout
2025-10-27 19:56       ` Greg Maxwell
2025-10-28  5:13         ` dathonohm via Bitcoin Development Mailing List
2025-10-30  0:31           ` Antoine Riard
2025-10-30  2:43             ` Erik Aronesty
2025-11-08  0:51               ` dathonohm via Bitcoin Development Mailing List
2025-11-08  3:43                 ` Edil Guimarães de Medeiros
2025-11-08  9:30                 ` 'Bitcoin Eagle' via Bitcoin Development Mailing List
2025-11-08 15:38                 ` Greg Maxwell
2025-11-08 16:40                   ` Daniel Buchner
2025-11-08 17:55                     ` Chris Riley
2025-11-08 21:02                   ` dathonohm via Bitcoin Development Mailing List
2025-11-08 21:39                     ` Greg Maxwell
2025-11-09 20:07                       ` dathonohm via Bitcoin Development Mailing List
2025-11-11  7:43                         ` 'Bitcoin Eagle' via Bitcoin Development Mailing List
2025-11-11 16:23                           ` Greg Maxwell
2025-11-09  1:21                     ` Murch
2025-11-09 20:56                       ` onyxcoyote
2025-11-09 21:34                 ` Peter Todd
2025-11-10 19:46               ` Lucas Barbosa
2025-10-28  9:16         ` /dev /fd0

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