From: Johnson Lau <jl2012@xbt•hk>
To: Russell O'Connor <roconnor@blockstream•io>
Cc: bitcoin-dev <bitcoin-dev@lists•linuxfoundation.org>
Subject: Re: [bitcoin-dev] SIGHASH2 for version 1 witness programme
Date: Sat, 2 Jun 2018 02:45:57 +0800 [thread overview]
Message-ID: <2E010067-EACD-4453-8D9D-B9CD5C238C98@xbt.hk> (raw)
In-Reply-To: <CAMZUoKmqdT3fte0o-CSppMV125u9zmxheaP549=nqkeVGSryMA@mail.gmail.com>
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> On 2 Jun 2018, at 2:15 AM, Russell O'Connor <roconnor@blockstream•io> wrote:
>
>
> I prefer a different opcode for CHECKSIGFROMSTACK because I dislike opcodes that pop a non-static number of elements off the stack. Popping a dynamic number of stack elements makes it more difficult to validate that a Script pubkey doesn't allow any funny business.
Agreed. This is one of the reasons I think we should remove CHECKMULTISIG in the new script system
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next prev parent reply other threads:[~2018-06-01 18:46 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-31 18:35 Johnson Lau
2018-06-01 15:03 ` Russell O'Connor
2018-06-01 17:03 ` Johnson Lau
2018-06-01 18:15 ` Russell O'Connor
2018-06-01 18:45 ` Johnson Lau [this message]
2018-07-02 18:23 ` Gregory Maxwell
2018-08-30 20:38 ` Johnson Lau
2018-08-30 20:51 ` Christian Decker
2018-08-31 7:42 ` Johnson Lau
2018-09-03 13:53 ` Christian Decker
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