[bitcoin-dev] Disallow insecure use of SIGHASH_SINGLE
pete at petertodd.org
Wed Jun 6 00:43:26 UTC 2018
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.
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