Quite a bit of info is coming out right now about Cantina Market. I'll post all the links below, and please do the same with any new info.
(This is a live document that will be updated to reflect the current information, info subject to change :) Upvote good or interesting comments, downvote or report if it violates a rule!)
Update via /u/the_avid :
http://www.reddit.com/r/DarkNetMarkets/comments/1wkbnp/what_current_and_potential_future_cantina/
Threads :
http://www.reddit.com/r/DarkNetMarkets/comments/1wgz8p/cantina_market_database_leak_including_users/
http://www.reddit.com/r/DarkNetMarkets/comments/1wgkyo/how_to_get_infinite_money_on_cantina_market/
http://www.reddit.com/r/DarkNetMarkets/comments/1whd19/cantina_marketplace_pwnd_admin_password_was/
http://www.reddit.com/r/SilkRoad/comments/1wed78/cantina_not_worthy/
Official Response from /u/Cantina_Marketplace:
[deleted]