Received: from sog-mx-2.v43.ch3.sourceforge.com ([172.29.43.192] helo=mx.sourceforge.net) by sfs-ml-2.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1WTxV8-0002pC-QC for bitcoin-development@lists.sourceforge.net; Sat, 29 Mar 2014 17:57:02 +0000 Received-SPF: pass (sog-mx-2.v43.ch3.sourceforge.com: domain of niftybox.net designates 95.142.167.147 as permitted sender) client-ip=95.142.167.147; envelope-from=c1.sf-bitcoin@niftybox.net; helo=i3.hyper.to; Received: from i3.hyper.to ([95.142.167.147]) by sog-mx-2.v43.ch3.sourceforge.com with esmtp (Exim 4.76) id 1WTxV7-0007XN-KT for bitcoin-development@lists.sourceforge.net; Sat, 29 Mar 2014 17:57:02 +0000 Received: from localhost (localhost [127.0.0.1]) by i3.hyper.to (Postfix) with ESMTP id B28CBE03CF; Sat, 29 Mar 2014 18:56:55 +0100 (CET) Received: from i3.hyper.to ([127.0.0.1]) by localhost (i3.hyper.to [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 9eJ6iA8e5VPg; Sat, 29 Mar 2014 18:56:55 +0100 (CET) Received: from [192.168.4.81] (50-1-105-185.dsl.dynamic.sonic.net [50.1.105.185]) by i3.hyper.to (Postfix) with ESMTPSA id 439C1E03C5; Sat, 29 Mar 2014 18:56:54 +0100 (CET) Message-ID: <1396115812.27001.11.camel@mimiz> From: devrandom To: Matt Whitlock Date: Sat, 29 Mar 2014 10:56:52 -0700 In-Reply-To: <3907269.Xk0HfD5vm0@crushinator> References: <3760502.BsfnhHlzm1@crushinator> <1396115305.27001.8.camel@mimiz> <3907269.Xk0HfD5vm0@crushinator> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.8.4-0ubuntu1 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit X-Spam-Score: -1.5 (-) 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 SPF_PASS SPF: sender matches SPF record X-Headers-End: 1WTxV7-0007XN-KT Cc: Bitcoin Dev Subject: Re: [Bitcoin-development] Presenting a BIP for Shamir's Secret Sharing of Bitcoin private keys 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: Sat, 29 Mar 2014 17:57:02 -0000 On Sat, 2014-03-29 at 13:51 -0400, Matt Whitlock wrote: > On Saturday, 29 March 2014, at 10:48 am, devrandom wrote: > > On Sat, 2014-03-29 at 13:38 -0400, Matt Whitlock wrote: > > > Threshold ECDSA certainly sounds nice, but is anyone working on a BIP > > > for it? I would take it on myself, but I don't understand it well > > > enough yet, and publicly available information on it seems lacking. I > > > proposed this Shamir Secret Sharing BIP as an easily understood, easily > > > implemented measure that we can use today, with no changes to existing > > > Bitcoin software. It's low-hanging fruit. > > > > Good points, although multisig is catching on quickly in the ecosystem. > > AFAIK, all production wallets can send to p2sh addresses. > > As far as I know, Blockchain.info wallets still can't send to P2SH > addresses. This was a *major* roadblock in the Bitcoin project that > I've been working on for the past several months, and it was the > impetus for my creating this Shamir Secret Sharing implementation in > the first place. That was true until they merged in my pull request a month ago ;) https://github.com/blockchain/My-Wallet/pull/59 -- Miron / devrandom