[bitcoin-dev] New BIP: Low S values signatures

Johnson Lau jl2012 at xbt.hk
Wed Aug 17 12:43:47 UTC 2016


The BIP146 has been updated to include NULLDUMMY* as part of the softfork:

https://github.com/bitcoin/bips/pull/435

NULLDUMMY is a trivial softfork to fix malleability related to the extra stack element consumed by CHECKMULTISIG(VERIFY). It is probably more important than LOW_S since without that an attacker may replace the stack element with any value.
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