Return-Path: <alex.mizrahi@gmail.com> Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org [172.17.192.35]) by mail.linuxfoundation.org (Postfix) with ESMTPS id 58A81B4A for <bitcoin-dev@lists.linuxfoundation.org>; Thu, 6 Apr 2017 15:36:26 +0000 (UTC) X-Greylist: whitelisted by SQLgrey-1.7.6 Received: from mail-qk0-f171.google.com (mail-qk0-f171.google.com [209.85.220.171]) by smtp1.linuxfoundation.org (Postfix) with ESMTPS id 52519159 for <bitcoin-dev@lists.linuxfoundation.org>; Thu, 6 Apr 2017 15:36:25 +0000 (UTC) Received: by mail-qk0-f171.google.com with SMTP id h67so40694686qke.0 for <bitcoin-dev@lists.linuxfoundation.org>; Thu, 06 Apr 2017 08:36:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:in-reply-to:references:from:date:message-id:subject:to; bh=jSQs7C5VhZN4Zh0s9GgPl7I5LqEswKsVyiaf2E+cKa4=; b=JZlxWYsQaeKjN4/JcnO3xvLkGDN/ySPbCctVQx5jHx9KKA+P/FwdVEeK3grmGPLgSh iWTl15XqrtvEmsU5OAMAwR9+C1nAUx8m667uHR00ehE1mi52WMfRMvR7+rqqLtdsm3Gx osqHa5YwuVjV+ZQIsUuBx0HSyvq1OC/Y88mQ9ZUjN5+p/sQ6a3tDGj9bcr4rLw/Ub3fl GldOlCIMoGs+wVFPDsG18SNXNIq3dBNSsXdeN1uyBqxSZsemPujFZwy5tD7wTB20RmjX 01tAxwZQxVAoRimkCD4XqOUQrz9NRwZDCaadghf66MdKxnY5cRo5+JqwJG5TBeGxu6n0 0wSw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to; bh=jSQs7C5VhZN4Zh0s9GgPl7I5LqEswKsVyiaf2E+cKa4=; b=X0vGrIHwQ6B0Hdyqtg/4xnrUac3ITx94xOxN6aEGjoTKSY4eUFtX/k0CKyLoB6ggyi +xKPHXbW3mVETT4R92v0zNqqe0w7VgQ0Mczyxwkg4SuEAVG86UBZZ/RHTAj2rCA+wU9G qPtyEZl1gt6HJkhdFlkZ7U/UsywVMdqUKjdi/gjuReUO7QX6/qQNCli5LS818BtH8cy3 zaWXERBfvtJHbHuXm5hrl8TxHND+lPF2ra/ZeoSZetkO/cuNYYV/hqbU6Jnz8A7aGldL u+r8NmVjp69S/U2Z0esdEhFUtoElJ3/H4cFJclZoy1ZjRzsaaM+68UP0jQnsF9UEdFMj XiAQ== X-Gm-Message-State: AN3rC/5/IBpR0qjGmmN13uRLYbDa/Bbjva/uJTih6JxwcBQXpy/qrv14cLAtdT2qyRhjKdepfo0Y8pAY9D9sMg== X-Received: by 10.55.165.2 with SMTP id o2mr6768776qke.306.1491492984394; Thu, 06 Apr 2017 08:36:24 -0700 (PDT) MIME-Version: 1.0 Received: by 10.55.55.79 with HTTP; Thu, 6 Apr 2017 08:36:23 -0700 (PDT) In-Reply-To: <20170406024910.GA1271@savin.petertodd.org> References: <CAAS2fgR84898xD0nyq7ykJnB7qkdoCJYnFg6z5WZEUu0+-=mMA@mail.gmail.com> <20170406023123.GA1071@savin.petertodd.org> <CA+KqGkqSxeAUZFVFqM_QkEWcGFHgZXwGuOE==7HpXp1+D_Tj3Q@mail.gmail.com> <20170406024910.GA1271@savin.petertodd.org> From: Alex Mizrahi <alex.mizrahi@gmail.com> Date: Thu, 6 Apr 2017 18:36:23 +0300 Message-ID: <CAE28kURiL3OVzwdpZ2yZvqc-QB-1fxGnCm-G49OJ+y3OF2qtUQ@mail.gmail.com> To: Bitcoin Protocol Discussion <bitcoin-dev@lists.linuxfoundation.org> Content-Type: multipart/alternative; boundary=94eb2c05fde8853fac054c814587 X-Spam-Status: No, score=-1.5 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, FREEMAIL_FROM, HTML_MESSAGE, RCVD_IN_DNSWL_NONE, RCVD_IN_SORBS_SPAM autolearn=no version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on smtp1.linux-foundation.org Subject: Re: [bitcoin-dev] BIP proposal: Inhibiting a covert attack on the Bitcoin POW function X-BeenThere: bitcoin-dev@lists.linuxfoundation.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Bitcoin Protocol Discussion <bitcoin-dev.lists.linuxfoundation.org> List-Unsubscribe: <https://lists.linuxfoundation.org/mailman/options/bitcoin-dev>, <mailto:bitcoin-dev-request@lists.linuxfoundation.org?subject=unsubscribe> List-Archive: <http://lists.linuxfoundation.org/pipermail/bitcoin-dev/> List-Post: <mailto:bitcoin-dev@lists.linuxfoundation.org> List-Help: <mailto:bitcoin-dev-request@lists.linuxfoundation.org?subject=help> List-Subscribe: <https://lists.linuxfoundation.org/mailman/listinfo/bitcoin-dev>, <mailto:bitcoin-dev-request@lists.linuxfoundation.org?subject=subscribe> X-List-Received-Date: Thu, 06 Apr 2017 15:36:26 -0000 --94eb2c05fde8853fac054c814587 Content-Type: text/plain; charset=UTF-8 > Agreed! There's no benefit to Bitcoin for having it - one way or the other > miners are going to destroy ~12BTC/block worth of energy. Meanwhile it > appears > to have lead to something like a year of stupid political bullshit based > on a > secret advantage - there's no reason to invite a repeat of this episode. But is it even possible to completely remove ASICBOOST optimization possibility? --94eb2c05fde8853fac054c814587 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable <div dir=3D"ltr"><div class=3D"gmail_extra"><div class=3D"gmail_quote"><div= >=C2=A0</div><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;b= order-left:1px #ccc solid;padding-left:1ex"><span class=3D""> </span>Agreed! There's no benefit to Bitcoin for having it - one way or= the other<br> miners are going to destroy ~12BTC/block worth of energy. Meanwhile it appe= ars<br> to have lead to something like a year of stupid political bullshit based on= a<br> secret advantage - there's no reason to invite a repeat of this episode= .</blockquote><div><br></div><div>But is it even possible to completely rem= ove ASICBOOST optimization possibility?</div><div><br></div></div></div></d= iv> --94eb2c05fde8853fac054c814587--