From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from sog-mx-2.v43.ch3.sourceforge.com ([172.29.43.192] helo=mx.sourceforge.net) by sfs-ml-3.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1Z1G5p-0004QW-Hi for bitcoin-development@lists.sourceforge.net; Sat, 06 Jun 2015 15:33:05 +0000 Received-SPF: pass (sog-mx-2.v43.ch3.sourceforge.com: domain of petertodd.org designates 62.13.148.96 as permitted sender) client-ip=62.13.148.96; envelope-from=pete@petertodd.org; helo=outmail148096.authsmtp.net; Received: from outmail148096.authsmtp.net ([62.13.148.96]) by sog-mx-2.v43.ch3.sourceforge.com with esmtp (Exim 4.76) id 1Z1G5o-0007Lp-CH for bitcoin-development@lists.sourceforge.net; Sat, 06 Jun 2015 15:33:05 +0000 Received: from mail-c235.authsmtp.com (mail-c235.authsmtp.com [62.13.128.235]) by punt17.authsmtp.com (8.14.2/8.14.2/) with ESMTP id t56FWrLx091466; Sat, 6 Jun 2015 16:32:53 +0100 (BST) Received: from savin.petertodd.org (75-119-251-161.dsl.teksavvy.com [75.119.251.161]) (authenticated bits=128) by mail.authsmtp.com (8.14.2/8.14.2/) with ESMTP id t56FWm17028989 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES128-SHA bits=128 verify=NO); Sat, 6 Jun 2015 16:32:50 +0100 (BST) Date: Sat, 6 Jun 2015 11:32:47 -0400 From: Peter Todd To: Pieter Wuille Message-ID: <20150606153247.GA19619@savin.petertodd.org> References: <201506061518.19431.luke@dashjr.org> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="uAKRQypu60I7Lcqm" Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) X-Server-Quench: 4aeadf93-0c61-11e5-b396-002590a15da7 X-AuthReport-Spam: If SPAM / abuse - report it at: http://www.authsmtp.com/abuse X-AuthRoute: OCd2Yg0TA1ZNQRgX IjsJECJaVQIpKltL GxAVKBZePFsRUQkR aQdMdgQUEkAaAgsB AmMbWlJeU197XGI7 bA9PbARUfEhLXhtr VklWR1pVCwQmRRkH cHlDUx5ydQ1PcHc+ bE9rWD5fDRErIRB0 QVNURmsHeGZhPWUC AkNRcR5UcAFPdx8U a1UrBXRDAzANdhES HhM4ODE3eDlSNilR RRkIIFQOdA4hPwZ0 SRcYVQ01GkoLDyI9 ZyQvO1sRGlp5 X-Authentic-SMTP: 61633532353630.1023:706 X-AuthFastPath: 0 (Was 255) X-AuthSMTP-Origin: 75.119.251.161/587 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: 1Z1G5o-0007Lp-CH Cc: Bitcoin Dev Subject: Re: [Bitcoin-development] BIP for Proof of Payment 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: Sat, 06 Jun 2015 15:33:05 -0000 --uAKRQypu60I7Lcqm Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sat, Jun 06, 2015 at 05:23:48PM +0200, Pieter Wuille wrote: > On Sat, Jun 6, 2015 at 5:18 PM, Luke Dashjr wrote: >=20 > > I also agree with Pieter, that this should *not* be so cleanly compatib= le > > with Bitcoin transactions. If you wish to share code, perhaps using an > > invalid opcode rather than OP_RETURN would be appropriate. >=20 >=20 > Using an invalid opcode would merely send funds into the void. It wouldn't > invalidate the transaction. Just set nLockTime to 500000000-1 and nSequence appropriately to make the transaction impossible to mine for the next 9500 years. Though I agree that this whole idea seems a bit dubious to me. --=20 'peter'[:-1]@petertodd.org 00000000000000000000dd919214b66444dcebb4aa0214c1ab7c8b3b633be71f --uAKRQypu60I7Lcqm Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- iQGrBAEBCACVBQJVcxKaXhSAAAAAABUAQGJsb2NraGFzaEBiaXRjb2luLm9yZzAw MDAwMDAwMDAwMDAwMDAwMDAwZGQ5MTkyMTRiNjY0NDRkY2ViYjRhYTAyMTRjMWFi N2M4YjNiNjMzYmU3MWYvFIAAAAAAFQARcGthLWFkZHJlc3NAZ251cGcub3JncGV0 ZUBwZXRlcnRvZC5vcmcACgkQJIFAPaXwkfud0Af/XeVY+gkCeWRuyx/yuDQr9cEQ L+RK1TJQ2qHiglfwNPVLf/QufDMcaSk0jVMWhOXdaVjFZMq3N5H1X0e83oixftVk SQUlrqU740iCDW8pY2+hHGmRClMqdfRPLR18cqh4hvudhySNfbsng79hRnxiBIPe iOmj+AFM4WpKXXFC6DRx2w74PRDcwCTR9DwIATRt9SqXwQnhQdHjS1zLr2nNg9iD XsQfMy8ECQ0T8DqUs/cX1kZ8p4dklhgAbtlmOydcSvY40tkO9dECn9wX7jgy8etd nU8vUK+PpTfmd4cYlIJtpzKUgi0d1bzFRi7s62Z1DHwPJO0LPYhLNN6dF7VGCg== =bzD8 -----END PGP SIGNATURE----- --uAKRQypu60I7Lcqm--