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 1UcIys-0008Lo-M6 for bitcoin-development@lists.sourceforge.net; Tue, 14 May 2013 17:25:42 +0000 Received-SPF: pass (sog-mx-2.v43.ch3.sourceforge.com: domain of gmail.com designates 209.85.219.54 as permitted sender) client-ip=209.85.219.54; envelope-from=mh.in.england@gmail.com; helo=mail-oa0-f54.google.com; Received: from mail-oa0-f54.google.com ([209.85.219.54]) by sog-mx-2.v43.ch3.sourceforge.com with esmtps (TLSv1:RC4-SHA:128) (Exim 4.76) id 1UcIyr-0008Vt-SC for bitcoin-development@lists.sourceforge.net; Tue, 14 May 2013 17:25:42 +0000 Received: by mail-oa0-f54.google.com with SMTP id o17so950439oag.41 for ; Tue, 14 May 2013 10:25:36 -0700 (PDT) MIME-Version: 1.0 X-Received: by 10.182.97.168 with SMTP id eb8mr15110910obb.89.1368552336517; Tue, 14 May 2013 10:25:36 -0700 (PDT) Sender: mh.in.england@gmail.com Received: by 10.76.162.230 with HTTP; Tue, 14 May 2013 10:25:36 -0700 (PDT) In-Reply-To: References: <20130511045342.GA28588@petertodd.org> <20130511102209.GA27823@netbook.cypherspace.org> <20130513105408.GB3393@netbook.cypherspace.org> Date: Tue, 14 May 2013 10:25:36 -0700 X-Google-Sender-Auth: Mozw1M9laVnnqsBV_gf6mAah7qc Message-ID: From: Mike Hearn To: Jeff Garzik Content-Type: multipart/alternative; boundary=047d7b2e41e6dff3ce04dcb0eb27 X-Spam-Score: -0.5 (/) 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 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (mh.in.england[at]gmail.com) -0.0 SPF_PASS SPF: sender matches SPF record 1.0 HTML_MESSAGE BODY: HTML included in message 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 X-Headers-End: 1UcIyr-0008Vt-SC Cc: Bitcoin Dev Subject: Re: [Bitcoin-development] merged mining hashcash & bitcoin (Re: Coinbase TxOut Hashcash) 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, 14 May 2013 17:25:42 -0000 --047d7b2e41e6dff3ce04dcb0eb27 Content-Type: text/plain; charset=UTF-8 > I've been thinking about a decentralized way to create an anonymous > identity This is the fidelity bond/anonymous passport idea that has been kicked around in the forums quite a few times. I mentioned it on the tor-talk once as a solution to the problem that you cannot create Google accounts via Tor without a phone number. It's a good idea but not new. I have encouraged people to implement a server that does it and then some integration for MediaWiki, Wordpress or phpBB, as they're both quite common software that gets a lot of spam and abuse. For instance we could use it on our own wiki instead of paying the wiki operator (does anyone know what happens to those funds by the way?). You don't need GPG or anything like that - the transactions that spend to fees also contain pubkeys in the inputs, which you own the private keys for. So you can sign a challenge nonce from the server to prove ownership of the "passport"/fidelity bond. --047d7b2e41e6dff3ce04dcb0eb27 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable

=
I've been thinking about a decentralized way to create an anonymous
identity

This is the fidelity bond/an= onymous passport idea that has been kicked around in the forums quite a few= times. I mentioned it on the tor-talk once as a solution to the problem th= at you cannot create Google accounts via Tor without a phone number. It'= ;s a good idea but not new. I have encouraged people to implement a server = that does it and then some integration for MediaWiki, Wordpress or phpBB, a= s they're both quite common software that gets a lot of spam and abuse.= For instance we could use it on our own wiki instead of paying the wiki op= erator (does anyone know what happens to those funds by the way?).

You don't need GPG or anything like tha= t - the transactions that spend to fees also contain pubkeys in the inputs,= which you own the private keys for. So you can sign a challenge nonce from= the server to prove ownership of the "passport"/fidelity bond.
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