Return-Path: Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org [172.17.192.35]) by mail.linuxfoundation.org (Postfix) with ESMTPS id 1BCE540F for ; Sun, 3 Sep 2017 05:22:23 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from slow1-d.mail.gandi.net (slow1-d.mail.gandi.net [217.70.178.86]) by smtp1.linuxfoundation.org (Postfix) with ESMTP id 7F2DFA1 for ; Sun, 3 Sep 2017 05:22:22 +0000 (UTC) Received: from relay4-d.mail.gandi.net (relay4-d.mail.gandi.net [217.70.183.196]) by slow1-d.mail.gandi.net (Postfix) with ESMTP id 0BAD747E73B for ; Sun, 3 Sep 2017 07:19:16 +0200 (CEST) X-Originating-IP: 77.179.26.31 Received: from [192.168.1.26] (x4db31a1f.dyn.telefonica.de [77.179.26.31]) (Authenticated sender: thomasv@electrum.org) by relay4-d.mail.gandi.net (Postfix) with ESMTPSA id 6410D172095 for ; Sun, 3 Sep 2017 07:19:13 +0200 (CEST) To: bitcoin-dev@lists.linuxfoundation.org References: From: Thomas Voegtlin Message-ID: <5a27e555-173e-b5a7-8c05-5ee32e885ee2@electrum.org> Date: Sun, 3 Sep 2017 07:19:12 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.2.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-0.7 required=5.0 tests=RCVD_IN_DNSWL_LOW autolearn=disabled version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on smtp1.linux-foundation.org Subject: Re: [bitcoin-dev] BIP49 Derivation scheme changes X-BeenThere: bitcoin-dev@lists.linuxfoundation.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Bitcoin Protocol Discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 03 Sep 2017 05:22:23 -0000 On 30.08.2017 09:24, shiva sitamraju via bitcoin-dev wrote: > > 2. Segwit wallet seed words have a different format which is incompatible > with previous wallet seed words. This encodes the information that this > wallet is segwit in the seed words itself. We need to define a structure > for this > That is what Electrum does. See http://docs.electrum.org/en/latest/seedphrase.html