Return-Path: Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org [172.17.192.35]) by mail.linuxfoundation.org (Postfix) with ESMTPS id 47ACBA47 for ; Sun, 16 Oct 2016 17:52:15 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from mail.bluematt.me (mail.bluematt.me [192.241.179.72]) by smtp1.linuxfoundation.org (Postfix) with ESMTPS id BC014A5 for ; Sun, 16 Oct 2016 17:52:14 +0000 (UTC) Received: from [IPv6:2607:fb90:1f07:dd9d:fffd:282e:48f7:454c] (unknown [172.56.19.102]) by mail.bluematt.me (Postfix) with ESMTPSA id 3CD3E13549A; Sun, 16 Oct 2016 17:52:13 +0000 (UTC) In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 From: Matt Corallo Date: Sun, 16 Oct 2016 17:52:09 +0000 To: Pieter Wuille , Bitcoin Protocol Discussion , Pieter Wuille via bitcoin-dev , Bitcoin Dev Message-ID: <3F963D18-00A8-4425-8479-43034811664C@mattcorallo.com> X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00 autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on smtp1.linux-foundation.org Subject: Re: [bitcoin-dev] Start time for BIP141 (segwit) 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, 16 Oct 2016 17:52:15 -0000 This start time seems reasonable to me. It is mostly in line with BIP 9's proposed defaults, which seems like an appropriate choice. On October 16, 2016 10:31:55 AM EDT, Pieter Wuille via bitcoin-dev wrote: >Hello all, > >We're getting ready for Bitcoin Core's 0.13.1 release - the first one >to include segregated witness (BIP 141, 143, 144, 145) for Bitcoin >mainnet, after being extensively tested on testnet and in other >software. Following the BIP9 recommendation [1] to set the versionbits >start time a month in the future and discussion in the last IRC >meeting [2], I propose we set BIP 141's start time to November 15, >2016, 0:00 UTC (unix time 1479168000). > >Note that this is just a lower bound on the time when the versionbits >signalling can begin. Activation on the network requires: >(1) This date to pass >(2) A full retarget window of 2016 blocks with 95% signalling the >version bit (bit 1 for BIP141) >(3) A fallow period consisting of another 2016 blocks. > > [1] https://github.com/bitcoin/bips/blob/master/bip-0009.mediawiki >[2] >http://www.erisian.com.au/meetbot/bitcoin-core-dev/2016/bitcoin-core-dev.2016-10-13-19.04.log.html > >Cheers,