From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org [172.17.192.35]) by mail.linuxfoundation.org (Postfix) with ESMTPS id 1C983B35 for ; Thu, 7 Sep 2017 16:25:35 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from mail.sldev.cz (mail.sldev.cz [51.254.7.247]) by smtp1.linuxfoundation.org (Postfix) with ESMTPS id B8760101 for ; Thu, 7 Sep 2017 16:25:34 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by mail.sldev.cz (Postfix) with ESMTP id 4DD33E4FE; Thu, 7 Sep 2017 16:45:47 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at mail.sldev.cz Received: from mail.sldev.cz ([127.0.0.1]) by localhost (mail.sl [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id iYvoq3BYZKUK; Thu, 7 Sep 2017 16:45:47 +0000 (UTC) Received: from tetra.site (unknown [10.8.8.107]) by mail.sldev.cz (Postfix) with ESMTPSA id E1DCCE255; Thu, 7 Sep 2017 16:45:46 +0000 (UTC) To: Kabuto Samourai , Bitcoin Protocol Discussion References: <0d405f5d-c0a4-bad7-b6c3-08ba4424bf17@satoshilabs.com> From: Pavol Rusnak Message-ID: <200b706a-f6ac-479a-2dce-fd66fe943949@satoshilabs.com> Date: Thu, 7 Sep 2017 18:25:30 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.7.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=0.0 required=5.0 tests=none 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] Proposal: Extended serialization format for BIP-32 wallets 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: Thu, 07 Sep 2017 16:25:35 -0000 On 07/09/17 05:52, Kabuto Samourai wrote: > The birthday field is interesting. Could you provide some motivation for > its inclusion? Birthday is something SPV wallet developers have been wanting for years. It helps them with the initial scan, so SPV wallet does not have to download every block in the blockchain, but only the ones after birthday. > Could you also add some test vectors? I will add some test vectors, when we agree this is the way to go. > There are a few minor grammar / spelling errors, but we can nitpick > those after this goes to the pull request stage on bitcoin/bips. +1 -- Best Regards / S pozdravom, Pavol "stick" Rusnak CTO, SatoshiLabs