Hah, just this morning we published a whitepaper explaining such a solution in greater detail:<p><a href="http://github.com/orisi/wiki/wiki/Orisi-White-Paper" rel="nofollow">http://github.com/orisi/wiki/wiki/Orisi-White-Paper</a><p>There is also a basic implementation of such a system that we've been preparing for the past week, and a website that will host a list of oracles: <a href="http://oracles.li/" rel="nofollow">http://oracles.li/</a>