Return-Path: Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org [172.17.192.35]) by mail.linuxfoundation.org (Postfix) with ESMTPS id CF416DDD for ; Tue, 5 Dec 2017 07:43:14 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from zinan.dashjr.org (zinan.dashjr.org [192.3.11.21]) by smtp1.linuxfoundation.org (Postfix) with ESMTP id 7BD28F4 for ; Tue, 5 Dec 2017 07:43:14 +0000 (UTC) Received: from ishibashi.localnet (unknown [IPv6:2001:470:5:265::71]) (Authenticated sender: luke-jr) by zinan.dashjr.org (Postfix) with ESMTPSA id 4096338A0075; Tue, 5 Dec 2017 07:42:03 +0000 (UTC) X-Hashcash: 1:25:171205:lf-lists@mattcorallo.com::vpr9=2JSVPXcHL1A:CkkC X-Hashcash: 1:25:171205:truthcoin@gmail.com::42K4yfPIb6n5D6aG:aUIiS X-Hashcash: 1:25:171205:bitcoin-dev@lists.linuxfoundation.org::CZl/fmuy5CLVUOpO:bi0KD X-Hashcash: 1:25:171205:luke_bipeditor@dashjr.org::LvWttI8OClp6IDm9:ckt1i From: Luke Dashjr To: Matt Corallo Date: Tue, 5 Dec 2017 07:41:59 +0000 User-Agent: KMail/1.13.7 (Linux/4.12.12-gentoo; KDE/4.14.37; x86_64; ; ) References: <1bb6cccd-3f6d-d62a-2825-4e6f46a4b525@mattcorallo.com> In-Reply-To: <1bb6cccd-3f6d-d62a-2825-4e6f46a4b525@mattcorallo.com> X-PGP-Key-Fingerprint: E463 A93F 5F31 17EE DE6C 7316 BD02 9424 21F4 889F X-PGP-Key-ID: BD02942421F4889F X-PGP-Keyserver: hkp://pgp.mit.edu MIME-Version: 1.0 Content-Type: Text/Plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <201712050742.00854.luke@dashjr.org> X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00,RCVD_IN_DNSWL_MED, T_RP_MATCHES_RCVD autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on smtp1.linux-foundation.org Cc: Bitcoin Protocol Discussion , luke_bipeditor@dashjr.org Subject: Re: [bitcoin-dev] Two Drivechain BIPs 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: Tue, 05 Dec 2017 07:43:14 -0000 On Sunday 03 December 2017 9:32:15 PM Matt Corallo wrote: > Given the lack of convincing evidence of that "Risk of centralisation of > mining" drawback in section 4.3 of the sidechains paper has been > meaningfully addressed, I'd say its pretty important that new sidechains be > an incredibly rare event. This is impossible to guarantee. Federated sidechains are already possible with simple multisig (and they could very well be merge-mined chains instead of simply signed). At the same time, the value of permissionless sidechain innovation is potentially huge. Luke