Received: from sog-mx-1.v43.ch3.sourceforge.com ([172.29.43.191] helo=mx.sourceforge.net) by sfs-ml-4.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1WXvGi-0007Ax-E0 for bitcoin-development@lists.sourceforge.net; Wed, 09 Apr 2014 16:22:32 +0000 Received: from mail-pb0-f51.google.com ([209.85.160.51]) by sog-mx-1.v43.ch3.sourceforge.com with esmtps (TLSv1:RC4-SHA:128) (Exim 4.76) id 1WXvGh-0006T9-8N for bitcoin-development@lists.sourceforge.net; Wed, 09 Apr 2014 16:22:32 +0000 Received: by mail-pb0-f51.google.com with SMTP id uo5so2693668pbc.24 for ; Wed, 09 Apr 2014 09:22:25 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:message-id:date:from:organization:user-agent :mime-version:to:subject:references:in-reply-to:content-type :content-transfer-encoding; bh=ypGWXKnUh2KOXEzkmig19kM35am5uAltKN+ugDbZEB0=; b=L7QmzCLjnxn9vl8RHqZ0uLan3yLAIHLXWEByHiWbevO+Xk06sU4EwIU2KQXmNKJ0dz WPkW8EGswIECg3cZFkCEjc+7Q7Poa8XgT3Gt5/ceLz9SzOD5NqPb2S9I+IQK8Cu8n39R gTlnfdy7CNCBhPeGQnEBvfw2p4Ew0EMuGn1NZDCSoX/DElPrIaqPJtooHEnSQyyGTe4O DEQeOi321N1Ymo+sERKnFQOTcShjGR1au7Ez937fmobbsIrQ5VvdvMgyl/6HIvZwH88l dcugqth8dO2Pql1+YvTlMtFSK9SjpWexEYmDtt8adNLeYvgcI/O71tMBKQj1OpNatnXn 0WAw== X-Gm-Message-State: ALoCoQkffaaYoPRSTzicYEfmnYL6R7f7dVkY91YJsUESFLbFTTUeV1Z3e2nKMdFZcvCVUD42xbiB X-Received: by 10.68.129.137 with SMTP id nw9mr13099016pbb.121.1397060544738; Wed, 09 Apr 2014 09:22:24 -0700 (PDT) Received: from [192.168.127.221] (50-0-36-93.dsl.dynamic.sonic.net. [50.0.36.93]) by mx.google.com with ESMTPSA id tf10sm3449364pbc.70.2014.04.09.09.22.22 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Wed, 09 Apr 2014 09:22:24 -0700 (PDT) Message-ID: <53456B99.9010207@monetize.io> Date: Wed, 09 Apr 2014 08:47:37 -0700 From: Mark Friedenbach Organization: Monetize.io Inc. User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: bitcoin-development@lists.sourceforge.net References: In-Reply-To: X-Enigmail-Version: 1.6 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Spam-Score: 0.0 (/) X-Spam-Report: Spam Filtering performed by mx.sourceforge.net. See http://spamassassin.org/tag/ for more details. X-Headers-End: 1WXvGh-0006T9-8N Subject: Re: [Bitcoin-development] Bitcoind-in-background mode for SPV wallets 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, 09 Apr 2014 16:22:32 -0000 On 04/09/2014 09:09 AM, Tamas Blummer wrote: > Yes, SPV is a sufficient API to a trusted node to build sophisticated > features not offered by the core. > SPV clients of the border router will build their own archive and > indices based on their interest of the chain therefore the > border router core does not need to store (and process) anything not > needed for consensus, its memory > or disk footprint would be as low as an optimal storage of UTXO. Storing zero full blocks does nothing to aid the network.