From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org [172.17.192.35]) by mail.linuxfoundation.org (Postfix) with ESMTPS id 1650971E for ; Tue, 10 May 2016 19:13:08 +0000 (UTC) X-Greylist: delayed 00:15:34 by SQLgrey-1.7.6 Received: from outmail148107.authsmtp.com (outmail148107.authsmtp.com [62.13.148.107]) by smtp1.linuxfoundation.org (Postfix) with ESMTP id 4E2D71C5 for ; Tue, 10 May 2016 19:13:06 +0000 (UTC) Received: from mail-c232.authsmtp.com (mail-c232.authsmtp.com [62.13.128.232]) by punt22.authsmtp.com (8.14.2/8.14.2/) with ESMTP id u4AIvV9u057206 for ; Tue, 10 May 2016 19:57:31 +0100 (BST) Received: from petertodd.org (ec2-52-5-185-120.compute-1.amazonaws.com [52.5.185.120]) (authenticated bits=0) by mail.authsmtp.com (8.14.2/8.14.2/) with ESMTP id u4AIvTsk027690 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Tue, 10 May 2016 19:57:30 +0100 (BST) Received: from [127.0.0.1] (localhost [127.0.0.1]) by petertodd.org (Postfix) with ESMTPSA id 24D2D400F7 for ; Tue, 10 May 2016 18:56:11 +0000 (UTC) Received: by localhost (Postfix, from userid 1000) id BAD69205A7; Tue, 10 May 2016 14:57:28 -0400 (EDT) Date: Tue, 10 May 2016 14:57:28 -0400 From: Peter Todd To: bitcoin-dev@lists.linuxfoundation.org Message-ID: <20160510185728.GA1149@fedora-21-dvm> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="1yeeQ81UyVL57Vl7" Content-Disposition: inline User-Agent: Mutt/1.5.23 (2014-03-12) X-Server-Quench: 0c16513b-16e1-11e6-829e-00151795d556 X-AuthReport-Spam: If SPAM / abuse - report it at: http://www.authsmtp.com/abuse X-AuthRoute: OCd2Yg0TA1ZNQRgX IjsJECJaVQIpKltL GxAVJwpGK10IU0Fd P1hyKltILEZaQVBf Ri5dBBEKBAw1ADwr dVUTOktcYlUzDkx1 UkhIREJTHQ9tBhYC BlAbUAd3aQROfWBx Z0Z9XHVEXQo/cTcE BCoXTm0EYmFpaC4d UEVeOQMHcQVPfxwX d1F5AXIQYGRSYGdo RV4+emhpZGgGd3UI TlxQc0Q3SEUKGDF0 bgsDFh8oGlYZDyQp NREiJ0AVGlp5 X-Authentic-SMTP: 61633532353630.1037:706 X-AuthFastPath: 0 (Was 255) X-AuthSMTP-Origin: 52.5.185.120/25 X-AuthVirus-Status: No virus detected - but ensure you scan with your own anti-virus system. X-Spam-Status: No, score=-2.6 required=5.0 tests=BAYES_00,RCVD_IN_DNSWL_LOW autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on smtp1.linux-foundation.org X-Mailman-Approved-At: Tue, 10 May 2016 19:31:15 +0000 Subject: [bitcoin-dev] Making AsicBoost irrelevant X-BeenThere: bitcoin-dev@lists.linuxfoundation.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Bitcoin Protocol Discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 10 May 2016 19:13:08 -0000 --1yeeQ81UyVL57Vl7 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable As part of the hard-fork proposed in the HK agreement(1) we'd like to make = the patented AsicBoost optimisation useless, and hopefully make further similar optimizations useless as well. What's the best way to do this? Ideally this would be SPV compatible, but i= f it requires changes from SPV clients that's ok too. Also the fix this should be compatible with existing mining hardware. 1) https://medium.com/@bitcoinroundtable/bitcoin-roundtable-consensus-266d4= 75a61ff 2) http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2016-April/012596= =2Ehtml --=20 https://petertodd.org 'peter'[:-1]@petertodd.org --1yeeQ81UyVL57Vl7 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- iQEcBAEBCAAGBQJXMi8VAAoJEGOZARBE6K+y018H/jaa8jP75eOLQNlkOvLI3s4U ilwIXGxKEVgfNIxyTJRuo/Nmi8thPLohD2w7LxN77diJMUhdMoHF279q3zUYbZDn T2M4uv4Ht2gznqFY1pbTufXzwXqxxS4VkKjXnbA6YARRXvDeOiXz71K9FhhBMgWV AGglOig++CfXR6nh7llz55aKfOgmXRuvIjRT9L36SGd+hSbE4gNJIFqjRcaEwk+h srI0SqgBi5cAIV8JOLIWKVL8bWxVVU4YfeYSnbCFhdwUCRpzQ/43k9jTvKR1Fy8i CO5tH99cKoOKkFHvFG9UMoJQAjdcsV3ZrBHFJvkYtyspfWywPqwMnS017W9TASM= =AsJv -----END PGP SIGNATURE----- --1yeeQ81UyVL57Vl7--