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To: Daniel Weigl <Daniel.Weigl@mycelium.com>,
	Bitcoin Protocol Discussion <bitcoin-dev@lists.linuxfoundation.org>
References: <5735D3A4.7090608@mycelium.com>
From: Pavol Rusnak <stick@satoshilabs.com>
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Date: Fri, 13 May 2016 17:00:39 +0200
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Subject: Re: [bitcoin-dev] Bip44 extension for P2SH/P2WSH/...
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On 13/05/16 15:16, Daniel Weigl via bitcoin-dev wrote:
> 2) Define a new derivation path, parallel to Bip44, but a different  'purpose' (eg. <BipNumber-of-this-BIP>' instead of 44'). Let the user choose which account he want to add ("Normal account", "Witness account").  

We had quite a long discussion in our team some time ago and we agreed
on that option #2 is much better and we'd like to implement this way in
myTREZOR.

> 	+) Wallet needs only to take care of 1 address per public key

True, if this BIP only supports P2WPKH.

P2WSH should probably be handled by another account type and another
BIP, anyway.

> Has any Bip44 compliant wallet already done any integration at this point?

We have something in the pipeline, but no visible results yet.

-- 
Best Regards / S pozdravom,

Pavol "stick" Rusnak
SatoshiLabs.com