Received: from sog-mx-2.v43.ch3.sourceforge.com ([172.29.43.192] helo=mx.sourceforge.net) by sfs-ml-1.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1RTAxa-0006fI-Fg for bitcoin-development@lists.sourceforge.net; Wed, 23 Nov 2011 11:25:50 +0000 Received-SPF: pass (sog-mx-2.v43.ch3.sourceforge.com: domain of gmail.com designates 209.85.214.47 as permitted sender) client-ip=209.85.214.47; envelope-from=timon.elviejo@gmail.com; helo=mail-bw0-f47.google.com; Received: from mail-bw0-f47.google.com ([209.85.214.47]) by sog-mx-2.v43.ch3.sourceforge.com with esmtps (TLSv1:RC4-SHA:128) (Exim 4.76) id 1RTAxZ-0007Jx-PX for bitcoin-development@lists.sourceforge.net; Wed, 23 Nov 2011 11:25:50 +0000 Received: by bkbzs2 with SMTP id zs2so1448097bkb.34 for ; Wed, 23 Nov 2011 03:25:43 -0800 (PST) MIME-Version: 1.0 Received: by 10.204.152.83 with SMTP id f19mr23767009bkw.90.1322047543407; Wed, 23 Nov 2011 03:25:43 -0800 (PST) Received: by 10.223.132.194 with HTTP; Wed, 23 Nov 2011 03:25:43 -0800 (PST) In-Reply-To: <201111231035.48690.andyparkins@gmail.com> References: <201111231035.48690.andyparkins@gmail.com> Date: Wed, 23 Nov 2011 12:25:43 +0100 Message-ID: From: =?ISO-8859-1?Q?Jorge_Tim=F3n?= To: Andy Parkins Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable X-Spam-Score: -1.6 (-) 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 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (timon.elviejo[at]gmail.com) -0.0 SPF_PASS SPF: sender matches SPF record -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature X-Headers-End: 1RTAxZ-0007Jx-PX Cc: bitcoin-development@lists.sourceforge.net Subject: Re: [Bitcoin-development] Addressing rapid changes in mining power 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: Wed, 23 Nov 2011 11:25:50 -0000 2011/11/23, Andy Parkins : > Let's abandon the idea of a target difficulty. Instead, every node just > generates the most difficulty block it can. Simultaneously, every node = is > listening for "the most difficult block generated before time T"; with T > being > picked to be the block generation rate (10 minutes). A miner could try to obtain more difficulty out of time and cheat its reported datetime (T). Jorge Tim=F3n