This was posted in the IRC but since not many people in there probably nobody saw it.

http://motherboard.vice.com/read/darkmarket-the-decentralized-answer-to-silk-road-is-about-more-than-just-drugs

Says the source is on Git and if dark market could be decentralized it would remove a lot of liability.  No one person can be pinned for others misuse and misdeeds.