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-4.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1W1GBU-0001Lb-9w for bitcoin-development@lists.sourceforge.net; Thu, 09 Jan 2014 14:02:08 +0000 Received-SPF: pass (sog-mx-4.v43.ch3.sourceforge.com: domain of astutium.com designates 80.76.216.240 as permitted sender) client-ip=80.76.216.240; envelope-from=rob.golding@astutium.com; helo=web.astutium.com; Received: from [80.76.216.240] (helo=web.astutium.com) by sog-mx-4.v43.ch3.sourceforge.com with esmtps (TLSv1:AES256-SHA:256) (Exim 4.76) id 1W1GBS-0005Gl-6W for bitcoin-development@lists.sourceforge.net; Thu, 09 Jan 2014 14:02:08 +0000 Received: from host109-151-87-4.range109-151.btcentralplus.com ([109.151.87.4]:2003 helo=capulet) by web.astutium.com with esmtpa (Exim 4.82) (envelope-from ) id 1W1G8P-0001qc-UK for bitcoin-development@lists.sourceforge.net; Thu, 09 Jan 2014 13:58:57 +0000 From: "Rob Golding" To: References: In-Reply-To: Date: Thu, 9 Jan 2014 14:03:08 -0000 Organization: Astutium Ltd Message-ID: <003e01cf0d43$86521550$92f63ff0$@golding@astutium.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Mailer: Microsoft Office Outlook 12.0 Thread-Index: Ac8MqN2qv6Z07uAfRFioml4OXl/ONAAmkXBQ Content-Language: en-gb X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - web.astutium.com X-AntiAbuse: Original Domain - lists.sourceforge.net X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - astutium.com X-Get-Message-Sender-Via: web.astutium.com: authenticated_id: rob.golding@astutium.com X-Spam-Score: 0.5 (/) X-Spam-Report: Spam Filtering performed by mx.sourceforge.net. See http://spamassassin.org/tag/ for more details. 1.0 MSGID_MULTIPLE_AT Message-ID contains multiple '@' characters -1.5 SPF_CHECK_PASS SPF reports sender host as permitted sender for sender-domain -0.0 SPF_PASS SPF: sender matches SPF record 1.0 RDNS_NONE Delivered to internal network by a host with no rDNS X-Headers-End: 1W1GBS-0005Gl-6W Subject: Re: [Bitcoin-development] Getting trusted metrics from the block chain in an untrusted environment ? 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: Thu, 09 Jan 2014 14:02:08 -0000 > My program should run on lightweight/embedded hardware. The execution > environment provides access to the Bitcoin network but not enough > resources to set up a trusted node along with my program. So you want to 'benefit' from the network without contributing to it ? > I would need a way to ask an untrusted Bitcoin node to compute some > 'metric request' on my behalf and having the result of that metric > request validated by the network. Not going to happen - why would anyone be interested in providing you 'free compute resources' ? > Is there any available or work-in-progress projects that would come > close to this need ? Or should I do it myself ? :-) Setup a node, create an API interface and have your 'app' use your API on yoru node :p Rob