[bitcoin-dev] Segwit v2

Russell O'Connor roconnor at blockstream.io
Wed Apr 26 21:34:29 UTC 2017


On Wed, Apr 26, 2017 at 4:01 PM, Luke Dashjr via bitcoin-dev <
bitcoin-dev at lists.linuxfoundation.org> wrote:

> There are things scriptSig can do that witness cannot today - specifically
> add
> additional conditions under the signature. We can always obsolete scriptSig
> later, after segwit has provided an alternative way to do this.
>

I'm not sure what you are referring to here.  The data in the scriptSigs
are never signed.  The scriptSigs are always stripped from the transaction
before the sigHash is made.
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