Received: from sog-mx-3.v43.ch3.sourceforge.com ([172.29.43.193] helo=mx.sourceforge.net) by sfs-ml-4.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1Qoz3l-0003pH-4J for bitcoin-development@lists.sourceforge.net; Thu, 04 Aug 2011 14:38:05 +0000 Received-SPF: pass (sog-mx-3.v43.ch3.sourceforge.com: domain of bluematt.me designates 173.246.101.161 as permitted sender) client-ip=173.246.101.161; envelope-from=bitcoin-list@bluematt.me; helo=mail.bluematt.me; Received: from vps.bluematt.me ([173.246.101.161] helo=mail.bluematt.me) by sog-mx-3.v43.ch3.sourceforge.com with esmtp (Exim 4.76) id 1Qoz3k-0001Kv-9L for bitcoin-development@lists.sourceforge.net; Thu, 04 Aug 2011 14:38:05 +0000 Received: from [IPv6:2001:470:9ff2:1:ee55:f9ff:fec6:e666] (unknown [IPv6:2001:470:9ff2:1:ee55:f9ff:fec6:e666]) by mail.bluematt.me (Postfix) with ESMTPSA id 873822CCD for ; Thu, 4 Aug 2011 16:19:31 +0200 (CEST) From: Matt Corallo To: bitcoin-development@lists.sourceforge.net In-Reply-To: References: Content-Type: multipart/signed; micalg="pgp-sha1"; protocol="application/pgp-signature"; boundary="=-/cbPSTWQxysTlT6BLCwu" Date: Thu, 04 Aug 2011 16:14:54 +0200 Message-ID: <1312467294.9762.4.camel@BMThinkPad.lan.bluematt.me> Mime-Version: 1.0 X-Mailer: Evolution 2.32.2 X-Spam-Score: -2.3 (--) 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 SPF_PASS SPF: sender matches SPF record -0.8 RP_MATCHES_RCVD Envelope sender domain matches handover relay domain X-Headers-End: 1Qoz3k-0001Kv-9L Subject: Re: [Bitcoin-development] Blitcoin? (Black Hat 2011) 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, 04 Aug 2011 14:38:05 -0000 --=-/cbPSTWQxysTlT6BLCwu Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Sounds like Dan wrote a tool which attempts to connect inputs/outputs and make a map of a person on the network, or at least thats my blind guess. Something people have been saying was easily possible for some time, but for some reason people insist on refusing their precious Bitcoin isnt anonymous. Matt On Thu, 2011-08-04 at 10:56 +0000, John Smith wrote: > L.S. >=20 > Some bitcoin "security vulnerabilities" have been discussed by Dan > Kaminsky at BH 2011, there is one article about this dated yesterday: >=20 > http://searchsecurity.techtarget.com/news/2240039221/Black-Hat-2011-Dan-K= aminsky-reveals-network-security-research-topics >=20 > The article is very unspecific though. They talk about a tool called > "blitcoin" that "unmasks" both sides of a bitcoin transaction. A > google search also turned up nothing, except some misspellings.=20 >=20 > Does anyone have more information? >=20 > JS --=-/cbPSTWQxysTlT6BLCwu Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iQIcBAABAgAGBQJOOqlcAAoJEBrh01BD4I5UIeMQAKlaltFmRx8eVpvH63nzfnqn u5zV2wVtbUCGijLmYPfHcvmHf1Le4SWx668FyZw0b/kcj80eAzJoUtH+sVCW4mxY M82pGUY2ur4sX0df8BV6Wan6YXhwVNcnOY7KKY2nmYWB0h756S5hnmqQBu1JiolT dT59qsit+WPu61sNWuLYmPam2ExrLSoVlB0ir9zTBMKI5JDCLEmP6Au3XnaZ03eh bA0hePDqTnJIFULqUWtwYAZDvJXaw1t3plQfePQJxiTHkRRZ6JX70SSY5dKUy2IR ub9KSbF4YeZxVtAyt0BOL2btW23pfX3+ZbfZ4UlMV8uGw6JkO0vnyr8YQW0kRNCj U4X6eipNvQpQ2TuA8El5AdcKYAz7C2S/09W259TUkUi33YoF9GI+tKxXum28Gkge RD5q5SKZCJ5WLr7tafVOn5Tpria0f49BEGo5BCkR6qcM9AsV122lS+5jMaHQnEJ4 JF2L+xeHdBxPdifYqx0qzVfxpAAvF5n4pZTZG6+0/Kc335pxOHnMuQGItxHhZ4cv iRnbQfYnyUafXRz8RvAxXwy/Fz3NmyYu/9G0d4IkKXy1DqqZ7sN0eZXMJ1hAOWK9 KmWWGws50tFqkyaebSJEdYXJI3qFRct/7HIVvyzcjYIIGczvKAgJzyCYgFzXpZL3 8cNpxL0CU9DpXX2PZ+Wg =9ebt -----END PGP SIGNATURE----- --=-/cbPSTWQxysTlT6BLCwu--