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From: Thomas Voegtlin <thomasv@electrum.org>
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Date: Wed, 30 Aug 2017 12:07:24 +0200
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Subject: Re: [bitcoin-dev] BIP proposal for Lightning-oriented multiaccount
multisig HD wallets
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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 structure
> could lead to UTXOs not being completely recognised by old wallets,
> BIP49 was proposed to separate the key space.
This will lead to old UTXOs not being recognized by NEW wallets, because
at some point new wallets will not care about implementing old standards.
The only way to address this is to get out of bip39 and bip43, and to
include a version number in the mnemonic seed.
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