From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from sog-mx-2.v43.ch3.sourceforge.com ([172.29.43.192] helo=mx.sourceforge.net) by sfs-ml-1.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1YIjnO-0001ml-Gw for bitcoin-development@lists.sourceforge.net; Tue, 03 Feb 2015 20:10:02 +0000 Received-SPF: pass (sog-mx-2.v43.ch3.sourceforge.com: domain of gmail.com designates 209.85.216.48 as permitted sender) client-ip=209.85.216.48; envelope-from=brian.erdelyi@gmail.com; helo=mail-qa0-f48.google.com; Received: from mail-qa0-f48.google.com ([209.85.216.48]) by sog-mx-2.v43.ch3.sourceforge.com with esmtps (TLSv1:RC4-SHA:128) (Exim 4.76) id 1YIjnN-0004hM-KL for bitcoin-development@lists.sourceforge.net; Tue, 03 Feb 2015 20:10:02 +0000 Received: by mail-qa0-f48.google.com with SMTP id v8so35401795qal.7 for ; Tue, 03 Feb 2015 12:09:56 -0800 (PST) X-Received: by 10.224.80.135 with SMTP id t7mr56324652qak.65.1422994196253; Tue, 03 Feb 2015 12:09:56 -0800 (PST) Received: from [192.168.1.58] ([64.147.83.112]) by mx.google.com with ESMTPSA id 103sm20701456qgg.11.2015.02.03.12.09.55 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Tue, 03 Feb 2015 12:09:55 -0800 (PST) Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2070.6\)) From: Brian Erdelyi In-Reply-To: Date: Tue, 3 Feb 2015 16:09:54 -0400 Content-Transfer-Encoding: quoted-printable Message-Id: References: To: Adam Weiss X-Mailer: Apple Mail (2.2070.6) X-Spam-Score: -1.3 (-) 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 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (brian.erdelyi[at]gmail.com) -0.0 SPF_PASS SPF: sender matches SPF record -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.3 AWL AWL: Adjusted score from AWL reputation of From: address X-Headers-End: 1YIjnN-0004hM-KL Cc: Bitcoin Dev Subject: Re: [Bitcoin-development] Subject: Re: Proposal to address Bitcoin malware 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: Tue, 03 Feb 2015 20:10:02 -0000 > Regardless, I think a standard for passing partially signed = transactions around might make sense (maybe a future extension to = BIP70), with attention to both PC <-> small hardware devices and pushing = stuff around on the Internet. It would be great if users had a choice = of hardware signing devices, local software and third-party cosigning = services that would all interoperate out of the box to enable easy = multisig security, which in the BTC world subsumes the goals of 2FA. I think a standard for passing partially signed transactions is a great = idea as well. This would support interoperability of wallets/clients = and third-party services (if users choose to use them). Brian Erdelyi=