Return-Path: Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org [172.17.192.35]) by mail.linuxfoundation.org (Postfix) with ESMTPS id 4ABC78D7 for ; Thu, 6 Apr 2017 00:00:32 +0000 (UTC) X-Greylist: delayed 00:34:42 by SQLgrey-1.7.6 Received: from azure.erisian.com.au (cerulean.erisian.com.au [139.162.42.226]) by smtp1.linuxfoundation.org (Postfix) with ESMTPS id 6451C13C for ; Thu, 6 Apr 2017 00:00:31 +0000 (UTC) Received: from aj@azure.erisian.com.au (helo=sapphire.erisian.com.au) by azure.erisian.com.au with esmtpsa (Exim 4.84_2 #1 (Debian)) id 1cvuJ6-0007bO-SW; Thu, 06 Apr 2017 09:25:46 +1000 Received: by sapphire.erisian.com.au (sSMTP sendmail emulation); Thu, 06 Apr 2017 09:25:41 +1000 Date: Thu, 6 Apr 2017 09:25:41 +1000 From: Anthony Towns To: Gregory Maxwell , Bitcoin Protocol Discussion Message-ID: <20170405232541.GA1305@erisian.com.au> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.23 (2014-03-12) X-Spam-Score: -1.9 X-Spam-Score-int: -18 X-Spam-Bar: - X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,RP_MATCHES_RCVD, UNPARSEABLE_RELAY 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: Thu, 06 Apr 2017 00:07:59 +0000 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 List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 06 Apr 2017 00:00:32 -0000 On Wed, Apr 05, 2017 at 09:37:45PM +0000, Gregory Maxwell via bitcoin-dev wrote: > The Bitcoin mining process repeatedly hashes an 80-byte 'block header' while > incriminating a 32-bit nonce That should probably be "incrementing"... Cheers, aj