Hi Christopher, Comments inline. On Tue, Feb 9, 2021 at 1:31 AM Christopher Allen < ChristopherA@lifewithalacrity.com> wrote: > In the Airgapped Wallet Community we also have been investigating > solutions, in particular as current common practice is is reuse the same > xpub for all multisigs, for instance [90081696/48'/0'/0'/2'] > xpub6DYLEkDfCdHzh5FHGHDJksQvFqu6kYANa1sfo6fA8n5ZWkSwyCRVVzyq9LY2eNGB6T9BKDeGJp2ZarjRZHd7WB95nSaFEDhFMK6zSV6D49b > > I don't think reusing XPUBs inside different multisig wallets is a good idea... For starters, loss of privacy in one wallet will immediately affect privacy of other wallets. I think multisig wallets should be completely firewalled from each other. That means one unique XPUB per wallet. This is what we have been doing with the Nunchuk wallet. > We’ve also have been looking into multi round commitment scheme, but > wanted to align the UX so that it would work like to musig for users. > Discussion on it is scattered, for instance > > https://github.com/BlockchainCommons/Airgapped-Wallet-Community/discussions/16#discussioncomment-212013 > > Nothing got as far as your version though. > > So Concept ACK from Blockchain Commons. Less clear on your specifics > though. We will review. > > Note that we are releasing a descriptor & multisig centric iOS and Android > reference wallet soon so solving this correctly and having interoperability > with others is very important for our roadmap. > Thank you and good to know ! Look forward to solving this correctly as well. Best, Hugo > > — Christopher Allen > >