From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from sog-mx-3.v43.ch3.sourceforge.com ([172.29.43.193] helo=mx.sourceforge.net) by sfs-ml-1.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1UeeLt-0004HU-Rz for bitcoin-development@lists.sourceforge.net; Tue, 21 May 2013 04:39:09 +0000 Received-SPF: pass (sog-mx-3.v43.ch3.sourceforge.com: domain of gmail.com designates 74.125.83.44 as permitted sender) client-ip=74.125.83.44; envelope-from=gavinandresen@gmail.com; helo=mail-ee0-f44.google.com; Received: from mail-ee0-f44.google.com ([74.125.83.44]) by sog-mx-3.v43.ch3.sourceforge.com with esmtps (TLSv1:RC4-SHA:128) (Exim 4.76) id 1UeeLt-0002TC-7Z for bitcoin-development@lists.sourceforge.net; Tue, 21 May 2013 04:39:09 +0000 Received: by mail-ee0-f44.google.com with SMTP id b57so92156eek.17 for ; Mon, 20 May 2013 21:39:02 -0700 (PDT) MIME-Version: 1.0 X-Received: by 10.14.206.136 with SMTP id l8mr1906954eeo.26.1369111142935; Mon, 20 May 2013 21:39:02 -0700 (PDT) Received: by 10.223.172.67 with HTTP; Mon, 20 May 2013 21:39:02 -0700 (PDT) In-Reply-To: References: <519AC3A8.1020306@quinnharris.me> Date: Mon, 20 May 2013 21:39:02 -0700 Message-ID: From: Gavin Andresen To: Gregory Maxwell Content-Type: text/plain; charset=ISO-8859-1 X-Spam-Score: -1.6 (-) X-Spam-Report: Spam Filtering performed by mx.sourceforge.net. See http://spamassassin.org/tag/ for more details. -1.5 SPF_CHECK_PASS SPF reports sender host as permitted sender for sender-domain 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (gavinandresen[at]gmail.com) -0.0 SPF_PASS SPF: sender matches SPF record -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature X-Headers-End: 1UeeLt-0002TC-7Z Cc: Bitcoin Dev Subject: Re: [Bitcoin-development] Double Spend Notification X-BeenThere: bitcoin-development@lists.sourceforge.net X-Mailman-Version: 2.1.9 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 21 May 2013 04:39:10 -0000 I'm very much in favor of double-spend propagation across the network. Most of the arguments about replace-based-on-fee / child-pays-burn-coins / etc are orthogonal. Letting a merchant know ASAP that their customer is trying to cheat them is, in my opinion, strictly better than what we have now. -- -- Gavin Andresen