From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from sog-mx-1.v43.ch3.sourceforge.com ([172.29.43.191] helo=mx.sourceforge.net) by sfs-ml-2.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1R3Ui3-0004Ry-VT for bitcoin-development@lists.sourceforge.net; Tue, 13 Sep 2011 15:15:40 +0000 Received-SPF: pass (sog-mx-1.v43.ch3.sourceforge.com: domain of gmail.com designates 209.85.216.182 as permitted sender) client-ip=209.85.216.182; envelope-from=vmartchenko@gmail.com; helo=mail-qy0-f182.google.com; Received: from mail-qy0-f182.google.com ([209.85.216.182]) by sog-mx-1.v43.ch3.sourceforge.com with esmtps (TLSv1:RC4-SHA:128) (Exim 4.76) id 1R3Uhy-0007uH-H0 for bitcoin-development@lists.sourceforge.net; Tue, 13 Sep 2011 15:15:39 +0000 Received: by qyk4 with SMTP id 4so572400qyk.13 for ; Tue, 13 Sep 2011 08:15:29 -0700 (PDT) MIME-Version: 1.0 Received: by 10.229.63.218 with SMTP id c26mr3052385qci.75.1315926928775; Tue, 13 Sep 2011 08:15:28 -0700 (PDT) Sender: vmartchenko@gmail.com Received: by 10.229.251.213 with HTTP; Tue, 13 Sep 2011 08:15:28 -0700 (PDT) In-Reply-To: References: Date: Tue, 13 Sep 2011 16:15:28 +0100 X-Google-Sender-Auth: Q3xrKmxZTkl8ZZS49vhhuAVm3GM Message-ID: From: Vladimir Marchenko To: Bitcoin Dev Content-Type: text/plain; charset=UTF-8 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 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (vmartchenko[at]gmail.com) -0.0 SPF_PASS SPF: sender matches SPF record 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: 1R3Uhy-0007uH-H0 Subject: Re: [Bitcoin-development] Difficulty adjustment / time issues 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: Tue, 13 Sep 2011 15:15:40 -0000 > 2) Bitcoin's "what time is it" code is kind of a hack. ... > Fixing (2) is easier; incorporating a ntp library and/or simply > removing the bitcoin mining code from the client but requiring pools > and miners to have accurate-to-within-a-minute system clocks (or their > blocks will be "discouraged") seems reasonable to me. If you want to > produce blocks that the rest of the network will accept, run ntp on > your system. ... > -- > Gavin Andresen > As a miner I fully support route (2) and do not think that this would cause any serious issues or discontent among miners. Most miners surely are running ntpd already. Those who mess with the clock intentionally will have to play ball. -- Vladimir - http://bitcoin.org.uk/forums - clean and moderated bitcoin forum