Return-Path: Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org [172.17.192.35]) by mail.linuxfoundation.org (Postfix) with ESMTPS id 651145A9 for ; Fri, 27 Jan 2017 22:11:15 +0000 (UTC) X-Greylist: whitelisted by SQLgrey-1.7.6 Received: from mail-yb0-f174.google.com (mail-yb0-f174.google.com [209.85.213.174]) by smtp1.linuxfoundation.org (Postfix) with ESMTPS id E03BA24A for ; Fri, 27 Jan 2017 22:11:14 +0000 (UTC) Received: by mail-yb0-f174.google.com with SMTP id w194so175462141ybe.0 for ; Fri, 27 Jan 2017 14:11:14 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=thinlink-com.20150623.gappssmtp.com; s=20150623; h=subject:to:references:cc:from:message-id:date:user-agent :mime-version:in-reply-to:content-transfer-encoding; bh=PzhUtLSKxHJInqOK3LXfcXEfSy8l4DljkawZJCwhD9U=; b=GFW07/K0sTRF9WbYwsnMfjrVLi8ln3BKgNV7W5s7YIdwbOPk08xFAfbgL7Q/0RCx/W uWSAy5pkU8cdk1kcLr9be+mBtQb46/wDAy4dJ9sea4QpKPlzz9q5vIlkSxL4YZIvVF5O ei8+EzYCuJWbEkFnYKtvBZbiKMX9a1Fur/vh/VOsr7OoGbJxdu60KrVKXlvXvmPduodX aR1Yv6LvidIPL+oq4L8R5OdO/Egs6W1XKdVTFnVc4+Gs8qEZUople13nmN3iXU0+arZa IKL3HumGc8qruG3RjWk6uCaX24990NSRRxwobMVcx389UaemV6HOlDnAvyl+fFUHOUl1 8QFw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:references:cc:from:message-id:date :user-agent:mime-version:in-reply-to:content-transfer-encoding; bh=PzhUtLSKxHJInqOK3LXfcXEfSy8l4DljkawZJCwhD9U=; b=sAtk5AuHkNZ7TpCeG99Xs2xwE22RNf71CL6zVDZt0Djd/ikTy95HnnMicfB2F9nabA a1FXKrbIcAeQZz73Rv1T/8mmAcn7RqUvotkVoXBp+azBHx68cqO92ToCLH2M8A1PFGFo ZIswyQLsZ607gkdQ+k7zTh+epAFuYZXFt4yaJuknr2M8ogKSmJRre+ocMPW1DklpDQDf xIp0YM3eSyATqTb1cdiJ2AtySIfro/jeA/6/vexqLk6L0Qm+Izy3Yu32lR4h8E3tRfc0 icHYe5LVbcHlfBS4HHdXl+waGdEaSu+vuAi++XS3iy5/Zt5WC0y/0aWxVIYQlt5JOEjM zWXA== X-Gm-Message-State: AIkVDXJE9N4Pv2ZcvHaJ5HXuhhE6+lj3mBFJXGYFneYzqrCIpprH5nD48T2boBMfyrNXEDVa X-Received: by 10.37.204.209 with SMTP id l200mr3610277ybf.158.1485555073801; Fri, 27 Jan 2017 14:11:13 -0800 (PST) Received: from [10.199.222.147] ([12.0.205.114]) by smtp.gmail.com with ESMTPSA id w126sm3187527yww.41.2017.01.27.14.11.12 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 27 Jan 2017 14:11:12 -0800 (PST) To: Johnson Lau References: <3F2FDFFC-A73B-4C0F-A7B2-8449332BE70E@xbt.hk> <5276b225-0a90-8539-6024-17b74433cb29@thinlink.com> From: Tom Harding Message-ID: <98d87f26-61ee-3fc9-22d7-96d6977140e2@thinlink.com> Date: Fri, 27 Jan 2017 14:11:02 -0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.6.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, RCVD_IN_DNSWL_LOW, RCVD_IN_SORBS_SPAM autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on smtp1.linux-foundation.org X-Mailman-Approved-At: Fri, 27 Jan 2017 22:43:40 +0000 Cc: bitcoin-dev Subject: Re: [bitcoin-dev] Anti-transaction replay in a hardfork 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: Fri, 27 Jan 2017 22:11:15 -0000 Johnson, It's actually clear from your original post - you treat "all zeros" in a special way - as the equivalent of all ones. The semantics match the impression I got originally. Sorry we got sidetracked.