Received: from sog-mx-2.v43.ch3.sourceforge.com ([172.29.43.192] helo=mx.sourceforge.net) by sfs-ml-3.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1U5kDG-0000Ap-JA for bitcoin-development@lists.sourceforge.net; Wed, 13 Feb 2013 21:49:58 +0000 Received-SPF: pass (sog-mx-2.v43.ch3.sourceforge.com: domain of gmail.com designates 209.85.128.53 as permitted sender) client-ip=209.85.128.53; envelope-from=jtimonmv@gmail.com; helo=mail-qe0-f53.google.com; Received: from mail-qe0-f53.google.com ([209.85.128.53]) by sog-mx-2.v43.ch3.sourceforge.com with esmtps (TLSv1:RC4-SHA:128) (Exim 4.76) id 1U5kDE-0003oB-EE for bitcoin-development@lists.sourceforge.net; Wed, 13 Feb 2013 21:49:58 +0000 Received: by mail-qe0-f53.google.com with SMTP id 1so785679qee.12 for ; Wed, 13 Feb 2013 13:49:51 -0800 (PST) MIME-Version: 1.0 X-Received: by 10.49.74.10 with SMTP id p10mr10216396qev.35.1360792190934; Wed, 13 Feb 2013 13:49:50 -0800 (PST) Received: by 10.49.27.102 with HTTP; Wed, 13 Feb 2013 13:49:50 -0800 (PST) In-Reply-To: References: Date: Wed, 13 Feb 2013 22:49:50 +0100 Message-ID: From: =?ISO-8859-1?B?CUpvcmdlIFRpbfNu?= To: Petr Praus Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable X-Spam-Score: -1.6 (-) 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 (jtimonmv[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 X-Headers-End: 1U5kDE-0003oB-EE Cc: bitcoin-development@lists.sourceforge.net Subject: Re: [Bitcoin-development] Implementing trading across chains 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: Wed, 13 Feb 2013 21:49:58 -0000 Well, if it's even possible to trade across "chains" with Ripple (and I don't know of any reason shouldn't be), you will have to wait to the release of the full node (validator) code, for now only a javascript web client is open sourced. But it seems they at least have plans for contracts judging from the wiki: https://ripple.com/wiki/Contracts On 2/13/13, Petr Praus wrote: > Jorge, thanks for bitcoinx tip, I didn't know about it and it's certainly > related. I'll have a closer look > Regarding Ripple, I tried it but as far as I can tell, it doesn't have an= y > contract enforcement (by technical means) built in. > > > On 11 February 2013 05:03, Jorge Tim=F3n wrote: > >> Hi, you may be interested in a couple of related projects. >> >> Colored coins uses satoshis to represent smart property, shares, IOUs >> of another currency...Colored coins can be atomically traded for >> bitcoin. If you implement the trade across chains contract they would >> also be tradeable for another chain currencies like namecoin or >> freicoin. >> >> http://www.bitcoinx.org/ >> >> Ripple is a concept by which people that trust each other on a network >> are able to pay with IOUs transitively. It has a new p2p >> implementation that is still on development. The new implementation >> is very similar to bitcoin in certain senses but it has no mining. >> Bitcoin IOUs can be traded there. >> >> https://ripple.com/ >> >> Good luck with the implementation, this is a good feature to have, >> even if it's not on the main client. >> >> >> On 2/8/13, Petr Praus wrote: >> > Hi, >> > >> > I intend to implement trading across chains in a P2P manner (as >> > described >> > by Mike Hearn in >> > https://en.bitcoin.it/wiki/Contracts#Example_5:_Trading_across_chains)= . >> > Note, this is indended more as an alternative chain development, I >> > don't >> > have any plans for merging it back into main client (not because I >> > don't >> > want to, but because I think it wouldn't be accepted). Before I dive >> > into >> > it, I thought it might be a good idea to ask here if the community has >> any >> > useful ideas or comments on this topic? >> > >> > Thanks to Gary Rowe I know about Open >> > Transactions. >> > They can do "multicurrency trading" too, but it's objectives are quite >> > ambitious and I'm looking at making relatively small changes in the >> > mainline Bitcoin client rather than diving into something entirely new= . >> > >> > A little background on why am I doing this, can be found >> > here. >> > In short it's part of research towards my Master's thesis (more >> precisely, >> > an excuse to hack on Bitcoin and sell it as research :)) which should >> > be >> > about multicurrency (alternative chains) in Bitcoin. >> > >> > Thanks, >> > Petr >> > >> > PS: I hope I'm not too off topic here, but >> > this thread >> > indicates it should be fine to post alternative development questions >> > on >> > this. >> > >> >> >> -- >> Jorge Tim=F3n >> >> http://freico.in/ >> http://archive.ripple-project.org/ >> > --=20 Jorge Tim=F3n http://freico.in/ http://archive.ripple-project.org/