Re: [bitcoin-dev] Proposal: bip32 version bytes for segwit scripts

[Kabuto Samourai <kabuto@samouraiwallet.com>]

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> In addition, consensus might be more difficult to reach on that

Let's move forward with the simplest solution that solves the problem and
achieves consensus! Version bytes {x,y,z} fits the bill.

On Wed, Sep 6, 2017 at 4:26 AM, Thomas Voegtlin via bitcoin-dev <
bitcoin-dev@lists.linuxfoundation.org> wrote:

>
>
> On 05.09.2017 21:00, Kabuto Samourai wrote:
> >
> > The Electrum approach is nice but may not go far enough, as xpub and zpub
> > both list "P2PKH or P2SH." Why not expand the number of version prefixes
> to
> > eliminate the ambiguity?
> >
>
> I agree that this would make sense if we had done it from the start.
> However, fixing that now might be difficult.
>
> My "xyz" proposal extends the current format in a way that is very easy
> to deploy, because existing software will require minimal changes.
> However, if we eliminate the p2sh ambiguity now, wallets will need to
> add extra safeguards, in order to prevent scenarios that are currently
> allowed, and they will need to handle legacy xpub/xprv differently than
> ypub and zpub. This would take much more time to deploy.
>
> In addition, consensus might be more difficult to reach on that; I guess
> not all developers will not agree that removing that ambiguity is
> useful. Since there is an infinity of possible P2SH scripts, it will
> never be possible to remove ambiguity from a master key associated to a
> P2SH script. Thus, the benefit of separating P2SH from P2PKH is not as
> strong.
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>



-- 
-Kabuto

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