Received: from sog-mx-4.v43.ch3.sourceforge.com ([172.29.43.194] helo=mx.sourceforge.net) by sfs-ml-4.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1V1ZQ9-0003OE-2x for bitcoin-development@lists.sourceforge.net; Tue, 23 Jul 2013 10:02:17 +0000 Received-SPF: pass (sog-mx-4.v43.ch3.sourceforge.com: domain of gmail.com designates 74.125.82.45 as permitted sender) client-ip=74.125.82.45; envelope-from=andyparkins@gmail.com; helo=mail-wg0-f45.google.com; Received: from mail-wg0-f45.google.com ([74.125.82.45]) by sog-mx-4.v43.ch3.sourceforge.com with esmtps (TLSv1:RC4-SHA:128) (Exim 4.76) id 1V1ZQ7-0006K4-4d for bitcoin-development@lists.sourceforge.net; Tue, 23 Jul 2013 10:02:17 +0000 Received: by mail-wg0-f45.google.com with SMTP id x12so3502506wgg.12 for ; Tue, 23 Jul 2013 03:02:08 -0700 (PDT) X-Received: by 10.181.13.7 with SMTP id eu7mr32339672wid.54.1374573728951; Tue, 23 Jul 2013 03:02:08 -0700 (PDT) Received: from momentum.localnet ([91.84.15.31]) by mx.google.com with ESMTPSA id f8sm2339492wiv.0.2013.07.23.03.02.07 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Tue, 23 Jul 2013 03:02:08 -0700 (PDT) From: Andy Parkins To: Pieter Wuille Date: Tue, 23 Jul 2013 11:02:06 +0100 User-Agent: KMail/1.13.7 (Linux/3.9-1-686-pae; KDE/4.8.4; i686; ; ) References: <201307231052.14210.andyparkins@gmail.com> In-Reply-To: MIME-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Message-Id: <201307231102.06693.andyparkins@gmail.com> 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 (andyparkins[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: 1V1ZQ7-0006K4-4d Cc: Bitcoin Dev Subject: Re: [Bitcoin-development] HTTP REST API for bitcoind 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, 23 Jul 2013 10:02:17 -0000 On Tuesday 23 July 2013 10:56:02 Pieter Wuille wrote: > The block chain is not involved at all to verify transactions, it's > just a historical > record to serve to other nodes, and to do wallet rescans with. It must be involved to some extent. Certainly during a temporary fork, there are two branches growing, and you have to be able, when verifying a new transaction, to say which branch it's one... which branch of the blockchain. Andy -- Dr Andy Parkins andyparkins@gmail.com