From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from sog-mx-4.v43.ch3.sourceforge.com ([172.29.43.194] helo=mx.sourceforge.net) by sfs-ml-1.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1UaDxA-0001pJ-W2 for bitcoin-development@lists.sourceforge.net; Wed, 08 May 2013 23:39:21 +0000 Received-SPF: pass (sog-mx-4.v43.ch3.sourceforge.com: domain of gmail.com designates 209.85.214.52 as permitted sender) client-ip=209.85.214.52; envelope-from=ayeowch@gmail.com; helo=mail-bk0-f52.google.com; Received: from mail-bk0-f52.google.com ([209.85.214.52]) by sog-mx-4.v43.ch3.sourceforge.com with esmtps (TLSv1:RC4-SHA:128) (Exim 4.76) id 1UaDx6-00084n-Nq for bitcoin-development@lists.sourceforge.net; Wed, 08 May 2013 23:39:20 +0000 Received: by mail-bk0-f52.google.com with SMTP id q16so1154120bkw.25 for ; Wed, 08 May 2013 16:39:10 -0700 (PDT) MIME-Version: 1.0 X-Received: by 10.204.166.11 with SMTP id k11mr2512971bky.6.1368056350232; Wed, 08 May 2013 16:39:10 -0700 (PDT) Received: by 10.204.203.15 with HTTP; Wed, 8 May 2013 16:39:10 -0700 (PDT) Date: Thu, 9 May 2013 09:39:10 +1000 Message-ID: From: Addy Yeow To: bitcoin-development@lists.sourceforge.net Content-Type: text/plain; charset=ISO-8859-1 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 (ayeowch[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: 1UaDx6-00084n-Nq Subject: [Bitcoin-development] 32 vs 64-bit timestamp fields 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, 08 May 2013 23:39:21 -0000 Hi list, Can someone explain why do we have 32-bit and 64-bit timestamp fields instead of all being 64-bit? https://en.bitcoin.it/wiki/Protocol_specification Cheers, Addy