From: Peter Todd <pete@petertodd.org>
To: Chris Stewart <chris@suredbits.com>,
Bitcoin Protocol Discussion
<bitcoin-dev@lists.linuxfoundation.org>
Subject: Re: [bitcoin-dev] Disallow insecure use of SIGHASH_SINGLE
Date: Tue, 5 Jun 2018 20:43:26 -0400 [thread overview]
Message-ID: <20180606004326.hpd3tmkjhdzclf2g@petertodd.org> (raw)
In-Reply-To: <CAGL6+mH3ah_e-+e0=ce0-HmkaqU1YzoGNS5JXCXDbojxpVvX8Q@mail.gmail.com>
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On Tue, Jun 05, 2018 at 07:17:52PM -0500, Chris Stewart via bitcoin-dev wrote:
> Do you have any thoughts on expanding this to SIGHASH_NONE? Perhaps someone
> else on the dev list can enlighten me, but is there a current use case for
> SIGHASH_NONE that would suffer from it being non standard?
SIGHASH_NONE is important as it's the only way that a multisig signers can
relinquish the need for them to sign without giving up the private key.
FWIW the SIGHASH_SINGLE bug can be used in similar ways too.
--
https://petertodd.org 'peter'[:-1]@petertodd.org
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next prev parent reply other threads:[~2018-06-06 0:43 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-31 18:53 [bitcoin-dev] Disallow insecure use of SIGHASH_SINGLE Johnson Lau
2018-06-06 0:17 ` Chris Stewart
2018-06-06 0:43 ` Peter Todd [this message]
2018-06-06 0:49 ` Peter Todd
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