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 1F7B3B49 for ; Tue, 11 Jul 2017 22:26:42 +0000 (UTC) X-Greylist: whitelisted by SQLgrey-1.7.6 Received: from mail-io0-f196.google.com (mail-io0-f196.google.com [209.85.223.196]) by smtp1.linuxfoundation.org (Postfix) with ESMTPS id 233883F6 for ; Tue, 11 Jul 2017 22:26:41 +0000 (UTC) Received: by mail-io0-f196.google.com with SMTP id 84so544665iop.2 for ; Tue, 11 Jul 2017 15:26:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:content-transfer-encoding:mime-version:subject:message-id:date :cc:to; bh=Dtw15BiH6zacBoQz7cAQSVplEMSjE2ETfKSNivjyEWc=; b=Ym+d8spCO/E8Kpmh7RhDKnJ5WmLAcvpA8RIV88e6Z/LK+oUjLNdU3Wf5OqqsiSOX3q 0S2J34SX4MiudODfXl0/K9Q1tELzD7x7BcR1zQxBYyCOn+QfpwwJXk7QiFG1e5j885Ov B9iOgjteGvfRVKGLHoNfXzwSGLPVU7X0/W2viFvMdqy675jsXNbKgD+fNQMvsbOJEbJQ SHvPuoOmAVxkk138f4a+sIAqGWfrdsuDPR86VSAuzMqCA66m8PzFM0C9HiIZsvn1yA4L ws47jUdpqnobgpTBTnQ/4fou56xNhlAQY+o3+Wubl43WsptT0cqVx7o59OisNvO1lsL/ AOwg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:content-transfer-encoding:mime-version :subject:message-id:date:cc:to; bh=Dtw15BiH6zacBoQz7cAQSVplEMSjE2ETfKSNivjyEWc=; b=pE0auqaw3heYCpfYwuZmMqKTBkuVRfENOjJFggFNvj5RabOz7s8xyrtvIdGj/1QotJ Xdsx/Ipr/HYJpznECXl9oiTvKzkPsGk2UcjDkX59NnY8eryq4Yratf6Lu6SHKGQH+t4H dxpltNZ2LAXzBARjFt+lYFqUI+Ggt9I/6HmS/J7iERIU5pPQEbMX/qBrjP95KONiaIBg DdKgL32G7spltVb1wBG/+LR9jRaSrOr4IZ68EzQnXzvB8RnTzsr7iM4i39CSVOclQZ8f MzIIsiimAQzebYOVjuCp7WP4WtIK+cyyOQFk9GF1QlwJiArcQFrnOzzbnJuIQP7et4Xr CkIg== X-Gm-Message-State: AIVw110X/iheyhOCJ8bl8D1BYJQFlJXSSnHfQKxsDOMNWUEBGTBhGYkn irWcK9MySodMmw== X-Received: by 10.107.59.145 with SMTP id i139mr2585208ioa.94.1499812000547; Tue, 11 Jul 2017 15:26:40 -0700 (PDT) Received: from [10.0.1.87] (71-81-80-204.dhcp.stls.mo.charter.com. [71.81.80.204]) by smtp.gmail.com with ESMTPSA id k16sm300276itb.1.2017.07.11.15.26.39 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 11 Jul 2017 15:26:39 -0700 (PDT) From: Steve Davis Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Mime-Version: 1.0 (Mac OS X Mail 10.3 \(3273\)) Message-Id: <8BFBAD12-1ECC-4333-80CA-E62FC1FBF96B@gmail.com> Date: Tue, 11 Jul 2017 17:26:38 -0500 To: Gregory Maxwell , Pieter Wuille X-Mailer: Apple Mail (2.3273) X-Spam-Status: No, score=-1.5 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, FREEMAIL_FROM, RCVD_IN_DNSWL_NONE, RCVD_IN_SORBS_SPAM autolearn=no version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on smtp1.linux-foundation.org X-Mailman-Approved-At: Tue, 11 Jul 2017 22:28:54 +0000 Cc: Bitcoin Dev Subject: Re: [bitcoin-dev] Updating the Scaling Roadmap 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, 11 Jul 2017 22:26:42 -0000 > I think it's great that people want to experiment with things like > drivechains/sidechains and what not, but their security model is very > distinct from Bitcoin=E2=80=99s Agree that experimentation is great and that it is usually the case that = the security model differs. Isn=E2=80=99t it also true also that the security model for SegWit is = distinct from that defined for the Bitcoin token? It does not appear to be a "chain of digital signatures" as per the = original definition? I do understand that the hash state is still = respected at block level. I=E2=80=99m referring more to the token=E2=80=99= s chain. Any clarification appreciated. Thanks, /sd=