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-1.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1WTrqf-0001ux-Vt for bitcoin-development@lists.sourceforge.net; Sat, 29 Mar 2014 11:54:54 +0000 X-ACL-Warn: Received: from chello084114181075.1.15.vie.surfer.at ([84.114.181.75] helo=mini.local) by sog-mx-1.v43.ch3.sourceforge.com with esmtp (Exim 4.76) id 1WTrqd-00051c-QM for bitcoin-development@lists.sourceforge.net; Sat, 29 Mar 2014 11:54:53 +0000 Received: from localhost (localhost [127.0.0.1]) by mini.local (Postfix) with ESMTP id 60E1D517FBE; Sat, 29 Mar 2014 12:54:45 +0100 (CET) X-Virus-Scanned: amavisd-new at mini.local Received: from mini.local ([127.0.0.1]) by localhost (mini.local [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id iHqdmrLrluNn; Sat, 29 Mar 2014 12:54:30 +0100 (CET) Received: from [192.168.0.14] (chello084114181075.1.15.vie.surfer.at [84.114.181.75]) by mini.local (Postfix) with ESMTPSA id 5A7E0517FA6; Sat, 29 Mar 2014 12:54:30 +0100 (CET) Mime-Version: 1.0 (Mac OS X Mail 7.2 \(1874\)) Content-Type: multipart/signed; boundary="Apple-Mail=_F0A02C0B-CE11-4953-89A4-1E5039BBF068"; protocol="application/pgp-signature"; micalg=pgp-sha1 X-Pgp-Agent: GPGMail 2.1 (8c620b1) From: Chris Beams In-Reply-To: <1701792.nYQmSeReja@crushinator> Date: Sat, 29 Mar 2014 12:54:27 +0100 Message-Id: References: <1878927.J1e3zZmtIP@crushinator> <83BBF97F-290E-4CF9-B062-92445ED35F27@beams.io> <1701792.nYQmSeReja@crushinator> To: Matt Whitlock X-Mailer: Apple Mail (2.1874) X-Spam-Score: 1.3 (+) X-Spam-Report: Spam Filtering performed by mx.sourceforge.net. See http://spamassassin.org/tag/ for more details. 1.3 RCVD_IN_RP_RNBL RBL: Relay in RNBL, https://senderscore.org/blacklistlookup/ [84.114.181.75 listed in bl.score.senderscore.com] 0.0 RCVD_IN_SORBS_DUL RBL: SORBS: sent directly from dynamic IP address [84.114.181.75 listed in dnsbl.sorbs.net] X-Headers-End: 1WTrqd-00051c-QM Cc: bitcoin-development@lists.sourceforge.net 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 11:54:54 -0000 --Apple-Mail=_F0A02C0B-CE11-4953-89A4-1E5039BBF068 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii Enlightening; thanks, Matt. And apologies to the list for my earlier = inadvertent double-post. On Mar 29, 2014, at 12:16 PM, Matt Whitlock = wrote: > On Saturday, 29 March 2014, at 10:08 am, Chris Beams wrote: >> Matt, could you expand on use cases for which you see Shamir's Secret = Sharing Scheme as the best tool for the job? In particular, when do you = see that it would be superior to simply going with multisig in the first = place? Perhaps you see these as complimentary approaches, toward = defense-in-depth? In any case, the Motivation and Rationale sections of = the BIP in its current form are silent on these questions. >=20 > I have added two new sections to address your questions. >=20 > https://github.com/whitslack/btctool/blob/bip/bip-xxxx.mediawiki --Apple-Mail=_F0A02C0B-CE11-4953-89A4-1E5039BBF068 Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename=signature.asc Content-Type: application/pgp-signature; name=signature.asc Content-Description: Message signed with OpenPGP using GPGMail -----BEGIN PGP SIGNATURE----- Comment: GPGTools - http://gpgtools.org iQIcBAEBAgAGBQJTNrRzAAoJED0hT49bxe1zndQP/1+khf/PFoHViYutVuy3QBx5 zyLjAHGWn2sBhoGES4MvghdAMMqYI6jMvQSzZwoDcw7uiUeOoFBiDQUMwkHqt5Q4 X14UVZKlV0fQd0W6rs/mwsVWPP+RMBhvHDkg1R15egS9HdXuALN75qCat0PIGC0y xoZQsJYiSCaCLaMpIzcLw1FuhJ/PVU1BPoUhSq8O0m0cwz8aZ/oHi66WM6GYLAi5 W//lig28+HyGIVJMbeg+2TkYEngGEM5ctP3POZgvPFANrRIn4ip9LypvcDqdRTil pNDBBeq7m8m0G6HhUQkzOIpzY+0z/wAnJYNcmn1FeJlaTJQwRPc6hhJEIJcRp68h gWzp+paOV3PykFG+NtPTswQA4aimF0dKqQyVVVycrXrLythBvlX9eezEyJARfAtq yHYVMWn58Ymuz/ENmsSKYyd2HLwcmWPZ4hWefU68XD9De4OeRXvZK/39FXEyj0GE kWeZJc483EzMWTsUp44VHjImkS29r2j1XJLcLh3W68ogaFXxhnp3gGjRo+6eN2Nb ROJcbW26V1h63xmBdFt+3C7+W2+VnE5NuTZ/nx3FtwTVTWqwXU9RqmcUI7THh78Q bmhuFnBuKK4fP8/ph/DlEIeJSwHKf0gjhG5AzpAVz0aZtLu3bZ+ZL0b9Cn2cpFKP LoBRdMBj8G2d+tVY858y =q6Ot -----END PGP SIGNATURE----- --Apple-Mail=_F0A02C0B-CE11-4953-89A4-1E5039BBF068--