From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from sog-mx-3.v43.ch3.sourceforge.com ([172.29.43.193] helo=mx.sourceforge.net) by sfs-ml-2.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1Uf9hu-0005C4-2V for bitcoin-development@lists.sourceforge.net; Wed, 22 May 2013 14:07:58 +0000 X-ACL-Warn: Received: from mail-pb0-f50.google.com ([209.85.160.50]) by sog-mx-3.v43.ch3.sourceforge.com with esmtps (TLSv1:RC4-SHA:128) (Exim 4.76) id 1Uf9ht-0004Fz-1q for bitcoin-development@lists.sourceforge.net; Wed, 22 May 2013 14:07:57 +0000 Received: by mail-pb0-f50.google.com with SMTP id wy17so1724055pbc.9 for ; Wed, 22 May 2013 07:07:51 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=mime-version:x-originating-ip:in-reply-to:references:date :message-id:subject:from:to:cc:content-type:x-gm-message-state; bh=JFMk+qyCcAc8s7ndlilpzGZX707MN5r71ICA5bno7j0=; b=fLmyPwC8P/1rC7gSMrjah0THwuCqZSMKPBqIn3rNfN+GKJ+XHxOBNQAAA4T1LprZ+k xEb+RdMRFW+vhCHBc7frlGwyWKVo9Wj2gDVwXo0dUA32NhI+f0R5+zeipIGDbptXBXf1 Mjw4JepmU8A6v7+u6OYY6dKuioGEdOoRdJoumzA/vz4+Soi8MrDoHl4zyHT98aPZIrjE xI53Lcyh7034VDjzRWsEFA5Dm7Kn7eKbb5uYllI3evap/couF2/jxh24mpCgQs579wmW 8bImEwb4XBnC9aqLGWx1cnxaN53wNuluIyQyGUd8E2MFcFatuM1C7ZQnOgVdgHrfFWUP G2uQ== MIME-Version: 1.0 X-Received: by 10.68.191.36 with SMTP id gv4mr8144797pbc.67.1369231671175; Wed, 22 May 2013 07:07:51 -0700 (PDT) Received: by 10.68.15.194 with HTTP; Wed, 22 May 2013 07:07:51 -0700 (PDT) X-Originating-IP: [66.194.102.6] In-Reply-To: References: <519AB8EB.5000103@monetize.io> Date: Wed, 22 May 2013 10:07:51 -0400 Message-ID: From: Jeff Garzik To: Melvin Carvalho Content-Type: text/plain; charset=ISO-8859-1 X-Gm-Message-State: ALoCoQlllNNT2LSftdyT8vyr3cNCkhzDtbBicgmXeTEdsQsUqWuOsaT97JzVJKhnffYow5PBz6Vq 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: 1Uf9ht-0004Fz-1q Cc: Bitcoin Dev Subject: Re: [Bitcoin-development] UUID to identify chains (payment protocol and elsewhere) 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, 22 May 2013 14:07:58 -0000 On Wed, May 22, 2013 at 6:27 AM, Melvin Carvalho wrote: > Some out of band algo/hash could work so long as there was a one to one > relationship between the described object and the UUID. In this case the > gensis block may not uniquely identify a coin. What does this mean? It seems extremely unlikely that two different genesis blocks will have the same hash. -- Jeff Garzik exMULTI, Inc. jgarzik@exmulti.com