Received: from sog-mx-2.v43.ch3.sourceforge.com ([172.29.43.192] helo=mx.sourceforge.net) by sfs-ml-4.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1Qwh8W-00042X-Q4 for bitcoin-development@lists.sourceforge.net; Thu, 25 Aug 2011 21:06:52 +0000 X-ACL-Warn: Received: from rhcavuit01.kulnet.kuleuven.be ([134.58.240.129] helo=cavuit01.kulnet.kuleuven.be) by sog-mx-2.v43.ch3.sourceforge.com with esmtp (Exim 4.76) id 1Qwh8V-00082B-F8 for bitcoin-development@lists.sourceforge.net; Thu, 25 Aug 2011 21:06:52 +0000 X-KULeuven-Envelope-From: sipa@ulyssis.org X-Spam-Status: not spam, SpamAssassin (not cached, score=-48.798, required 5, autolearn=disabled, DKIM_ADSP_CUSTOM_MED 0.00, FREEMAIL_FROM 0.00, KUL_SMTPS -50.00, NML_ADSP_CUSTOM_MED 1.20) X-KULeuven-Scanned: Found to be clean X-KULeuven-ID: 330811382E4.A52C1 X-KULeuven-Information: Katholieke Universiteit Leuven Received: from smtps02.kuleuven.be (smtpshost02.kulnet.kuleuven.be [134.58.240.75]) by cavuit01.kulnet.kuleuven.be (Postfix) with ESMTP id 330811382E4; Thu, 25 Aug 2011 23:06:44 +0200 (CEST) Received: from smtp.ulyssis.org (mail.ulyssis.student.kuleuven.be [193.190.253.235]) by smtps02.kuleuven.be (Postfix) with ESMTP id 2125CF3862; Thu, 25 Aug 2011 23:06:44 +0200 (CEST) Received: from wop.ulyssis.org (wop.intern.ulyssis.org [192.168.0.182]) by smtp.ulyssis.org (Postfix) with ESMTP id D9B39F8004; Thu, 25 Aug 2011 23:10:21 +0200 (CEST) Received: by wop.ulyssis.org (Postfix, from userid 615) id 16AA587C1B1; Thu, 25 Aug 2011 23:06:44 +0200 (CEST) Date: Thu, 25 Aug 2011 23:06:44 +0200 X-Kuleuven: This mail passed the K.U.Leuven mailcluster From: Pieter Wuille To: Gregory Maxwell Message-ID: <20110825210642.GA3309@ulyssis.org> References: <201108241215.36847.luke@dashjr.org> <20110825201026.GA21380@ulyssis.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-PGP-Key: http://sipa.ulyssis.org/pubkey.asc User-Agent: Mutt/1.5.20 (2009-06-14) X-Spam-Score: 1.2 (+) X-Spam-Report: Spam Filtering performed by mx.sourceforge.net. See http://spamassassin.org/tag/ for more details. 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (pieter.wuille[at]gmail.com) 0.0 DKIM_ADSP_CUSTOM_MED No valid author signature, adsp_override is CUSTOM_MED 1.2 NML_ADSP_CUSTOM_MED ADSP custom_med hit, and not from a mailing list 0.0 AWL AWL: From: address is in the auto white-list X-Headers-End: 1Qwh8V-00082B-F8 Cc: bitcoin-development@lists.sourceforge.net Subject: Re: [Bitcoin-development] New standard transaction types: time to schedule a blockchain split? 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, 25 Aug 2011 21:06:52 -0000 On Thu, Aug 25, 2011 at 04:29:03PM -0400, Gregory Maxwell wrote: > On Thu, Aug 25, 2011 at 4:10 PM, Pieter Wuille > wrote: > > Which is 13 bytes + 6*20 bytes, instead of the 54 bytes + 6*20 bytes for the > > real bitcoin output script. > > So 187 bytes in base-58? I think pretty darn good for a destination > with 6 keys and complicated rules. I like that a lot. Some extra estimates: * single address: 21 bytes (36 characters), 27 bytes script * 1-out-of-2: 43 bytes (66 characters), 56 bytes script * 2-out-of-3: 67 bytes (98 characters), 88 bytes script * (a and b) or c: 65 bytes (96 characters), 85 bytes script -- Pieter