[bitcoin-dev] Simple lock/unlock mechanism

[Anthony Towns]

On Wed, Feb 28, 2018 at 04:34:18AM +0000, アルム カールヨハン via bitcoin-dev wrote:
> 1. Graftroot probably breaks this (someone could just sign the
> time-locked output with a script that has no time-lock).

Making the graftroot key be a 2-of-2 muSig with an independent third party
that commits to only signing CLTV scripts could avoid this. Making it
3-of-3 or 5-of-5 could be even better if you can find multiple independent
services that will do it.

Cheers,
aj