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From: Oleg Andreev <oleganza@gmail•com>
To: Peter Todd <pete@petertodd•org>
Cc: Bitcoin Dev <bitcoin-development@lists•sourceforge.net>
Subject: Re: [Bitcoin-development] 75%/95% threshold for transaction versions
Date: Tue, 28 Apr 2015 12:17:27 +0200	[thread overview]
Message-ID: <3B4C8493-CD37-4D43-ABF1-0AA5388CD78E@gmail.com> (raw)
In-Reply-To: <20150427191855.GE5223@muck>



> On 27 Apr 2015, at 21:21, Peter Todd <pete@petertodd•org> wrote:
> 
> Even right now there are edge cases without
> good solutions, like how in a multisig environment any of the key
> holders can mutate transactions.

Can't we add requirement for RFC6979 signatures to mitigate this? Of course, multiple signers can still mutate transaction by choosing a different set (but not the order, thankfully) of signatures. Or when a single signer has multiple participating keys.

In some interesting to me scenarios mutation by signer is not critical: it is mutation by non-signers that creates a problem. Do you know of any edge cases when non-signers can mutate transactions which are not covered by BIP62? What would be a more robust approach than "whack-a-mole" to work around mutability? (Normalized tx ids?)


      reply	other threads:[~2015-04-28 10:17 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-04-15 23:43 s7r
2015-04-16  2:04 ` Allen Piscitello
2015-04-16  5:22 ` Pieter Wuille
2015-04-16 16:12   ` s7r
2015-04-16 17:34     ` Mark Friedenbach
2015-04-16 23:17       ` s7r
2015-04-17  9:02         ` Pieter Wuille
2015-04-18 14:49           ` s7r
2015-04-24  8:55             ` Jorge Timón
2015-04-24  8:58               ` Jorge Timón
2015-04-24 19:58     ` William Swanson
2015-04-24 20:16       ` Gregory Maxwell
2015-04-25 15:40         ` Stephen Morse
2015-04-26  0:01           ` s7r
2015-04-26  6:51             ` Joseph Poon
2015-04-26 16:48               ` Joseph Poon
2015-04-25 14:32       ` Stephen Morse
2015-04-27 19:21         ` Peter Todd
2015-04-28 10:17           ` Oleg Andreev [this message]

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