To: Thomas Voegtlin <thomasv@electrum.org>,
	Bitcoin Protocol Discussion <bitcoin-dev@lists.linuxfoundation.org>
References: <8088fa79-8e77-8663-afb4-800a405a6182@chainside.net>
	<cb022f27-93ce-b61d-097b-8ccc2ef3e288@electrum.org>
From: Simone Bronzini <simone.bronzini@chainside.net>
Message-ID: <2568a65f-3dad-315f-3959-cea6048ab9ba@chainside.net>
Date: Wed, 30 Aug 2017 14:48:24 +0200
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Subject: Re: [bitcoin-dev] BIP proposal for Lightning-oriented multiaccount
 multisig HD wallets
Precedence: list

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From: Simone Bronzini <simone.bronzini@chainside.net>
To: Thomas Voegtlin <thomasv@electrum.org>,
 Bitcoin Protocol Discussion <bitcoin-dev@lists.linuxfoundation.org>
Message-ID: <2568a65f-3dad-315f-3959-cea6048ab9ba@chainside.net>
Subject: Re: [bitcoin-dev] BIP proposal for Lightning-oriented multiaccount
 multisig HD wallets
References: <8088fa79-8e77-8663-afb4-800a405a6182@chainside.net>
 <cb022f27-93ce-b61d-097b-8ccc2ef3e288@electrum.org>
In-Reply-To: <cb022f27-93ce-b61d-097b-8ccc2ef3e288@electrum.org>

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> This will lead to old UTXOs not being recognized by NEW wallets, becaus=
e
> at some point new wallets will not care about implementing old standard=
s.

Your observations make perfect sense. That's exactly why we endorse
option b. in my previous email.

> The only way to address this is to get out of bip39 and bip43, and to
> include a version number in the mnemonic seed.

As for the idea of having a versioning on mnemonic seeds, I believe it
would be a very useful feature indeed. How about opening a new,
separate, topic about it?


On 30/08/17 12:07, Thomas Voegtlin via bitcoin-dev wrote:
>
> On 29.08.2017 12:19, Simone Bronzini via bitcoin-dev wrote:
>
>> 2. SegWit addresses:
>> since mixing SegWit and non-SegWit addresses on the same BIP44 structu=
re
>> could lead to UTXOs not being completely recognised by old wallets,
>> BIP49 was proposed to separate the key space.=20
> This will lead to old UTXOs not being recognized by NEW wallets, becaus=
e
> at some point new wallets will not care about implementing old standard=
s.
>
> The only way to address this is to get out of bip39 and bip43, and to
> include a version number in the mnemonic seed.
>
> _______________________________________________
> bitcoin-dev mailing list
> bitcoin-dev@lists.linuxfoundation.org
> https://lists.linuxfoundation.org/mailman/listinfo/bitcoin-dev


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Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/

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