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From: Hugo Nguyen <hugo@nunchuk•io>
To: Christopher Allen <ChristopherA@lifewithalacrity•com>
Cc: Bitcoin Protocol Discussion <bitcoin-dev@lists•linuxfoundation.org>
Subject: Re: [bitcoin-dev] Proposal: Bitcoin Secure Multisig Setup
Date: Tue, 9 Feb 2021 02:05:54 -0800	[thread overview]
Message-ID: <CAPKmR9tcR7gBfJ=EqJ60J=XvsreZgByL+HEfR0_YvwadJRWNhg@mail.gmail.com> (raw)
In-Reply-To: <CACrqygA1JRA293joYOxxpSepiuFD=uVvQQy3wpuosYyLQHff-A@mail.gmail.com>

[-- Attachment #1: Type: text/plain, Size: 1622 bytes --]

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
>
>

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  parent reply	other threads:[~2021-02-09 10:06 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-08 23:14 Hugo Nguyen
2021-02-09  9:33 ` Craig Raw
     [not found] ` <CACrqygA1JRA293joYOxxpSepiuFD=uVvQQy3wpuosYyLQHff-A@mail.gmail.com>
2021-02-09  9:38   ` Christopher Allen
2021-02-09 10:05   ` Hugo Nguyen [this message]
     [not found]     ` <CACrqygDhuateDtJMBSWd9sGRu1yzrZBw2yZ75OyKD1Xmzix3Cw@mail.gmail.com>
2021-02-09 10:58       ` Hugo Nguyen
2021-02-11 13:25         ` Pavol Rusnak
2021-02-11 13:45           ` Hugo Nguyen
2021-02-11 16:29             ` Dmitry Petukhov
2021-02-11 19:11               ` Hugo Nguyen
2021-02-11 19:11                 ` Hugo Nguyen
2021-02-11 22:29                   ` Christopher Allen
2021-02-12 12:31                     ` Hugo Nguyen
2021-02-12 13:48                     ` Peter D. Gray
2021-02-12 16:55               ` Hugo Nguyen
2021-02-12 17:42                 ` Dmitry Petukhov
2021-02-12 17:48                   ` Dmitry Petukhov
2021-02-12 17:54                   ` Hugo Nguyen
2021-02-14 10:37                     ` Dmitry Petukhov
2021-02-14 11:28                       ` Dmitry Petukhov
     [not found] ` <CAPR5oBNWGLcnw97yPJBCgrj=EwoNdxz_RS9HM6EMpuX2-90JnQ@mail.gmail.com>
2021-02-09  9:45   ` Hugo Nguyen
2021-02-15  8:44 ` Hugo Nguyen
2021-02-15 13:53   ` Craig Raw
2021-02-15 14:19     ` Hugo Nguyen
2021-02-15 16:45       ` Hugo Nguyen
2021-04-05  7:02 ` Hugo Nguyen
2021-04-09 12:07   ` Sjors Provoost
2021-04-09 14:09     ` Hugo Nguyen
2021-04-09 14:54     ` Hugo Nguyen
2021-04-09 15:33       ` Sjors Provoost
2021-04-10 19:32         ` Robert Spigler
2021-04-11  2:34   ` Michael.flaxman
2021-04-11 16:45     ` Hugo Nguyen
2021-04-12 15:03       ` Salvatore Ingala
2021-04-12 17:55         ` Hugo Nguyen
2021-04-12 18:45         ` Christopher Allen
2021-04-12 20:43           ` Robert Spigler
2021-04-10 13:53 ` Erik Aronesty

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