From: Peter Todd <pete@petertodd•org>
To: "Russell O'Connor" <roconnor@blockstream•io>,
Bitcoin Protocol Discussion
<bitcoin-dev@lists•linuxfoundation.org>
Subject: Re: [bitcoin-dev] New BIP: Dealing with OP_IF and OP_NOTIF malleability in P2WSH
Date: Tue, 16 Aug 2016 19:30:07 -0700 [thread overview]
Message-ID: <20160817023007.GA7296@fedora-21-dvm> (raw)
In-Reply-To: <CAMZUoKm2VX=kL7c3QsenQmQeKnR86APwvdNduDOUtOrtzL2B6A@mail.gmail.com>
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On Tue, Aug 16, 2016 at 08:27:54PM -0400, Russell O'Connor via bitcoin-dev wrote:
> Okay.
>
> I'm not really opposed to this BIP, but I am worried that fighting script
> malleability is a battle that can never be won; even leaving one avenue of
> malleability open is probably just as bad as having many avenues of
> malleability, so it just doesn't seem worthwhile to me.
At least some types of malleability are less harmful than others: changing a
few bits with some weird ECC transformation isn't as likely to cause problems
as being able to append arbitrary data to a transaction's input script. And of
course, we do prevent the latter with the cleanstack rule - consensus enforced
in segwit.
--
https://petertodd.org 'peter'[:-1]@petertodd.org
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next prev parent reply other threads:[~2016-08-17 2:30 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-16 17:53 Johnson Lau
2016-08-16 19:37 ` Luke Dashjr
2016-08-16 19:43 ` Peter Todd
2016-08-16 21:58 ` Joseph Poon
2016-08-16 22:23 ` Russell O'Connor
2016-08-16 22:30 ` Pieter Wuille
2016-08-16 22:36 ` Russell O'Connor
2016-08-16 22:39 ` Pieter Wuille
2016-08-16 22:52 ` Russell O'Connor
2016-08-17 0:18 ` Gregory Maxwell
2016-08-17 0:27 ` Russell O'Connor
2016-08-17 2:30 ` Peter Todd [this message]
2016-08-17 3:02 ` Johnson Lau
2016-08-17 4:40 ` Luke Dashjr
2016-08-17 10:15 ` Johnson Lau
2016-08-18 0:11 ` Sergio Demian Lerner
[not found] ` <CAAS2fgQ=Z+xmg0DcANV4vhp+XhpL1Vz0HNkJwNGdHTxtK1q1kg@mail.gmail.com>
2016-08-18 0:33 ` Sergio Demian Lerner
2016-08-18 3:00 ` Peter Todd
2016-09-05 14:55 ` Russell O'Connor
2016-09-01 11:39 ` Johnson Lau
2016-09-05 1:32 ` Rusty Russell
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