From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from sog-mx-1.v43.ch3.sourceforge.com ([172.29.43.191] helo=mx.sourceforge.net) by sfs-ml-4.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from <pete@petertodd.org>) id 1We8Qa-00013b-Q7 for bitcoin-development@lists.sourceforge.net; Sat, 26 Apr 2014 19:38:24 +0000 Received-SPF: pass (sog-mx-1.v43.ch3.sourceforge.com: domain of petertodd.org designates 62.13.149.82 as permitted sender) client-ip=62.13.149.82; envelope-from=pete@petertodd.org; helo=outmail149082.authsmtp.co.uk; Received: from outmail149082.authsmtp.co.uk ([62.13.149.82]) by sog-mx-1.v43.ch3.sourceforge.com with esmtp (Exim 4.76) id 1We8QY-0002uY-QV for bitcoin-development@lists.sourceforge.net; Sat, 26 Apr 2014 19:38:24 +0000 Received: from mail-c235.authsmtp.com (mail-c235.authsmtp.com [62.13.128.235]) by punt14.authsmtp.com (8.14.2/8.14.2) with ESMTP id s3QJcFfp016739; Sat, 26 Apr 2014 20:38:15 +0100 (BST) Received: from savin (76-10-178-109.dsl.teksavvy.com [76.10.178.109]) (authenticated bits=128) by mail.authsmtp.com (8.14.2/8.14.2/) with ESMTP id s3QJc95w094189 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES128-SHA bits=128 verify=NO); Sat, 26 Apr 2014 20:38:12 +0100 (BST) Date: Sat, 26 Apr 2014 15:37:59 -0400 From: Peter Todd <pete@petertodd.org> To: Mike Hearn <mike@plan99.net> Message-ID: <20140426193759.GC16440@savin> References: <20140426112312.GA17949@savin> <CANEZrP3VpsW_RNWUpw-gsQhXqLF4deOJJPHxGJUc8Gx_y0B9wA@mail.gmail.com> <20140426183119.GB16440@savin> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="jy6Sn24JjFx/iggw" Content-Disposition: inline In-Reply-To: <20140426183119.GB16440@savin> User-Agent: Mutt/1.5.21 (2010-09-15) X-Server-Quench: 4dd3914c-cd7a-11e3-b802-002590a15da7 X-AuthReport-Spam: If SPAM / abuse - report it at: http://www.authsmtp.com/abuse X-AuthRoute: OCd2Yg0TA1ZNQRgX IjsJECJaVQIpKltL GxAVKBZePFsRUQkR aQdMdAQUGUUGAgsB AmIbWVReU1V7WGE7 bAxPbAVDY01GQQRq WVdMSlVNFUsrAn17 VRcbFRl7cwROcTBx Z05mWj5fCBB5fEd5 EVMHQWpXeGZhPWMC AkhYdR5UcAFPdx8U a1UrBXRDAzANdhES HhM4ODE3eDlSNilR RRkIIFQOdA4mGj85 RhYLATQpEgUJQDg5 KxFjMUYRGkoKeloz LVtpRU0fdgcbEBFP fQlWDStXYlQaTDAs EktUWlRWEDxSQW9C Cxk1L1dUGDVUQSNT GEpCTQpn X-Authentic-SMTP: 61633532353630.1023:706 X-AuthFastPath: 0 (Was 255) X-AuthSMTP-Origin: 76.10.178.109/587 X-AuthVirus-Status: No virus detected - but ensure you scan with your own anti-virus system. X-Spam-Score: -1.5 (-) 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 SPF_PASS SPF: sender matches SPF record X-Headers-End: 1We8QY-0002uY-QV Cc: Bitcoin Development <bitcoin-development@lists.sourceforge.net>, Jeremy Spilman <jeremy.spilman@gmail.com> Subject: Re: [Bitcoin-development] Eliminating double-spends with two-party self-escrow for high value transactions X-BeenThere: bitcoin-development@lists.sourceforge.net X-Mailman-Version: 2.1.9 Precedence: list List-Id: <bitcoin-development.lists.sourceforge.net> List-Unsubscribe: <https://lists.sourceforge.net/lists/listinfo/bitcoin-development>, <mailto:bitcoin-development-request@lists.sourceforge.net?subject=unsubscribe> List-Archive: <http://sourceforge.net/mailarchive/forum.php?forum_name=bitcoin-development> List-Post: <mailto:bitcoin-development@lists.sourceforge.net> List-Help: <mailto:bitcoin-development-request@lists.sourceforge.net?subject=help> List-Subscribe: <https://lists.sourceforge.net/lists/listinfo/bitcoin-development>, <mailto:bitcoin-development-request@lists.sourceforge.net?subject=subscribe> X-List-Received-Date: Sat, 26 Apr 2014 19:38:24 -0000 --jy6Sn24JjFx/iggw Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sat, Apr 26, 2014 at 02:31:19PM -0400, Peter Todd wrote: > On Sat, Apr 26, 2014 at 08:07:58PM +0200, Mike Hearn wrote: > > What stops the buyer just always waiting to get their money back? >=20 > The seller won't hand over the goods of course until they have a valid > transaction signed by the buyer sending them the escrowed funds. (and > the nLockTime deadline is sufficiently far away that the probability of > not being able to get the transaction mined in time is low) >=20 > Note how the mechanism I'm proposing is basically just a Jeremy > Spilman-style micropayment channel(1) used for a single payment; I > should have made that clear in my original post. >=20 > 1) http://www.mail-archive.com/bitcoin-development%40lists.sourceforge.ne= t/msg02028.html I swear, I'm getting alzheimers or something. This and stealth addresses is now the second time I've totally forgotten I had just read an idea a week prior: Reddit user RubenSomsen, ten days ago: "I would really like it if Mycelium allowed me to temporarily lock my bitcoins in a 2-of-2 transaction with a potential buyer (of course with nlocktime back to myself) so the network can start confirming the transaction before we even meet." -http://www.reddit.com/r/Bitcoin/comments/236k5d/mycelium_local_trader_is_n= ow_available/cgtxede Better explanation than mine too for someone wanting a quick intro. --=20 'peter'[:-1]@petertodd.org 000000000000000038a12e1b8bc9562cddc5cfa24ba7c418f4b945f6b1677e41 --jy6Sn24JjFx/iggw Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.14 (GNU/Linux) iQGrBAEBCACVBQJTXAsRXhSAAAAAABUAQGJsb2NraGFzaEBiaXRjb2luLm9yZzAw MDAwMDAwMDAwMDAwMDAzOGExMmUxYjhiYzk1NjJjZGRjNWNmYTI0YmE3YzQxOGY0 Yjk0NWY2YjE2NzdlNDEvFIAAAAAAFQARcGthLWFkZHJlc3NAZ251cGcub3JncGV0 ZUBwZXRlcnRvZC5vcmcACgkQJIFAPaXwkfvoVgf+MqAXu7OrhXh3xNtWFAGmGq6R VEQyeJN9QY4k8FRAvkafAOaoF5CDRgyHrO8QBiVa699UTFYlruRleyTS5Gf94OUp oYkI6OK4Y5jg4KSAvrBJUkaxaMwuFltxx0sXlYj1AJAB1ayy10zJj7W1RYQuYOzz wvnHPtDiFmDlxijJpkKMd4e9PndVZM5lmVU1g3ayGl+8HwKMND3jmlv6Td/o0Nsh euMVmhlp2C2y/prfeizXkAK6sApdj39lnHziJQ6guJGjhKecIUvVR6vzqhiD7uRL Qs3QXmu93bBAjLfX6swALRW+yJrD/9HiJSERqRFIwX2IbUbHBL9jYu7BEpmKLw== =KWod -----END PGP SIGNATURE----- --jy6Sn24JjFx/iggw--