Received: from sog-mx-3.v43.ch3.sourceforge.com ([172.29.43.193] helo=mx.sourceforge.net) by sfs-ml-4.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1YYepO-0007ll-Hg for bitcoin-development@lists.sourceforge.net; Thu, 19 Mar 2015 18:05:54 +0000 X-ACL-Warn: Received: from mail-pd0-f176.google.com ([209.85.192.176]) by sog-mx-3.v43.ch3.sourceforge.com with esmtps (TLSv1:RC4-SHA:128) (Exim 4.76) id 1YYepN-0006FX-Dr for bitcoin-development@lists.sourceforge.net; Thu, 19 Mar 2015 18:05:54 +0000 Received: by pdbop1 with SMTP id op1so82991986pdb.2 for ; Thu, 19 Mar 2015 11:05:47 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:to:content-type; bh=VSg1MbkOPc+y7Tz08NXTMKG826Bn0+VT8QktbXtnnt8=; b=klRej7Bf+8/TeavQ3tyWigWTeb9Scf3gqUwJS+HO0sJ3ZzmCo4mgTAEm8P0FPGihp5 mAuSo3CvxsE1BxEK4un9jh3kTsPDEfUJ6k7Bq6Cdw7umrxQ+aMv9gNwHjnbMNZOYD4Ot Dt66cP4dsWOqMEMixWAHL1tO5ZALyS/tG2fRvunkxFrTijwTTCsF4RQ3vMbmSl7DsvSD S5E+pmRLPvehTIzCTfyW7ivmdSjXXmbP29ZuFB+Q2zkF9lorChxrE0IeZAXp00zn1MNV qhOOOcF/ghN4oFNUDHgKm7evyaPEhHt9LftOnZYRewZAa0rAuUvO0NFF8xxPlcVGW+Q5 gYEQ== X-Gm-Message-State: ALoCoQnYVwhyP0q/zTIZi0Q3VDzoNr5OxIeWbNsASJrkDLQ5HMmhQH92VipiM1tEkTfPtX73ope8 MIME-Version: 1.0 X-Received: by 10.66.101.106 with SMTP id ff10mr181556653pab.103.1426786749070; Thu, 19 Mar 2015 10:39:09 -0700 (PDT) Received: by 10.70.12.35 with HTTP; Thu, 19 Mar 2015 10:39:09 -0700 (PDT) In-Reply-To: <55075795.20904@bluematt.me> References: <20141001130826.GM28710@savin.petertodd.org> <55075795.20904@bluematt.me> Date: Thu, 19 Mar 2015 17:39:09 +0000 Message-ID: From: Zooko Wilcox-OHearn To: Bitcoin Dev Content-Type: text/plain; charset=UTF-8 X-Spam-Score: 1.0 (+) X-Spam-Report: Spam Filtering performed by mx.sourceforge.net. See http://spamassassin.org/tag/ for more details. 1.0 UC_GIBBERISH_OBFU Multiple instances of "word VERYLONGGIBBERISH word" X-Headers-End: 1YYepN-0006FX-Dr Subject: Re: [Bitcoin-development] Relative CHECKLOCKTIMEVERIFY (was CLTV proposal) 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: Thu, 19 Mar 2015 18:05:54 -0000 I'm in favor of relative CHECKLOCKTIMEVERIFY, but I don't have a very specific reason. I just have a vague worry that there can be "race conditions" in which a txn with an absolute CHECKLOCKTIMEVERIFY goes into the blockchain later than one of its signers expected that it would, and therefore there is a surprisingly short delay between that transaction going into the blockchain and becoming spendable. This worry of mine is assuaged by using relative CHECKLOCKTIMEVERIFY instead. Regards, Zooko