Re: [bitcoin-dev] Proposed BIP for MuSig2 PSBT Fields

2023-10-12 Thread Anthony Towns via bitcoin-dev
On Wed, Oct 11, 2023 at 11:59:16PM +, Andrew Chow via bitcoin-dev wrote: > On 10/11/2023 07:47 PM, Anthony Towns wrote: > > On Tue, Oct 10, 2023 at 10:28:37PM +, Andrew Chow via bitcoin-dev wrote: > >> I've written up a BIP draft for MuSig2 PSBT fields. It can be viewed at > >> https://gith

Re: [bitcoin-dev] Solving CoinPool high-interactivity issue with cut-through update of Taproot leaves

2023-10-12 Thread Johan TorĂ¥s Halseth via bitcoin-dev
Hi, Antoine. A brief update on this: I created a demo script for the unilateral exit of 2-of-4 participants in a Coinpool using OP_CCV: https://github.com/halseth/tapsim/tree/matt-demo/examples/matt/coinpool/v2. It shows how pubkeys and balances can be committed, how traversal and modification of

Re: [bitcoin-dev] Proposed BIP for MuSig2 PSBT Fields

2023-10-12 Thread Jonas Nick via bitcoin-dev
It is true that BIP 327 ("MuSig2") does not include adaptor signatures. The rationale behind this decision was as follows: - the BIP is already long and complicated enough without adaptor signatures; it should be possible to propose a separate adaptor signature BIP on top in a modular fashion