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-3.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1Ud0Oj-0004uY-Lw for bitcoin-development@lists.sourceforge.net; Thu, 16 May 2013 15:47:17 +0000 X-ACL-Warn: Received: from mail-pd0-f182.google.com ([209.85.192.182]) by sog-mx-1.v43.ch3.sourceforge.com with esmtps (TLSv1:RC4-SHA:128) (Exim 4.76) id 1Ud0Of-0000qH-2m for bitcoin-development@lists.sourceforge.net; Thu, 16 May 2013 15:47:17 +0000 Received: by mail-pd0-f182.google.com with SMTP id 3so2459126pdj.13 for ; Thu, 16 May 2013 08:47:07 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=mime-version:x-received:x-originating-ip:in-reply-to:references :date:message-id:subject:from:to:cc:content-type:x-gm-message-state; bh=R/bTxgdU7uIthQrHtZgRInWeIod7+wp/pqmvx3Y9gYA=; b=FFeEenF/5WUxEVzbcI/4cD/HhiOSn3uVaeMhrrCi9qT7xAu2WTktGwzGX8LcUWN3/O IWLIzYag5rDyhsSYKlAH9klSijPOex58go3Tu3NfKiLVVy83VZW2T5OwYXJH0nzQYnZs YykzGkKhtleu+zeRGKldJ+Gb39rhXz7c9lV4a0H5vm1vdJ8Qg/5FyaWvmsm3Dq6H/5CM gpd0/Rpnnhd5AC7AZBAEEMgFpN/lxYvplbv7eht1v6WaR+V8okkkUEXdbz1qKprjwfXG o+ZCBta7n5xPHL6M4XjsgB0aIZ2Gpdsc6fuBrz2pVUHYzzXXzo4EADLFsX5gzo13eErT xx2A== MIME-Version: 1.0 X-Received: by 10.66.197.165 with SMTP id iv5mr45107275pac.67.1368719227153; Thu, 16 May 2013 08:47:07 -0700 (PDT) Received: by 10.68.240.106 with HTTP; Thu, 16 May 2013 08:47:07 -0700 (PDT) X-Originating-IP: [99.43.178.25] In-Reply-To: References: Date: Thu, 16 May 2013 11:47:07 -0400 Message-ID: From: Jeff Garzik To: Ricardo Filipe Content-Type: text/plain; charset=ISO-8859-1 X-Gm-Message-State: ALoCoQnQ0/sjjCF40atMUPoPY+RtRYIETt5YA6JrVFfCvDjevcMYO0Ph7Nd8FQXtTzDFnDJC0sMU X-Spam-Score: 0.0 (/) X-Spam-Report: Spam Filtering performed by mx.sourceforge.net. See http://spamassassin.org/tag/ for more details. -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/, no trust [209.85.192.182 listed in list.dnswl.org] X-Headers-End: 1Ud0Of-0000qH-2m Cc: bitcoin-development@lists.sourceforge.net Subject: Re: [Bitcoin-development] Service bits for pruned nodes 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, 16 May 2013 15:47:17 -0000 On Thu, May 16, 2013 at 7:26 AM, Ricardo Filipe wrote: > We would only end up with few copies of the historic data if users > could choose what parts of the blockchain to store. Simply store > chunks randomly, according to users available space, and give priority > to the "N most recent" chunks to have more replicas in the network. > > You don't need bittorrent specifically for a DHT, if publicity is a > problem. There are many DHT proposals and implementations, and i bet > one of them should be more suitable to the bitcoin network than > bittorrent's. That's just about the worst thing you could do for bitcoin. DoS one part of the DHT, you DoS the entire blockchain by breaking the chain. -- Jeff Garzik exMULTI, Inc. jgarzik@exmulti.com