The final nail in the coffin for zerocoin and the trumpet sounding the inevitable rise of Cryptonote coins IMHO.  I would not trust any zerocoin/zerocash protocol instanced by an entity in a country where backdoors are mandated in software and projects.  Sorry, still a proud patriot, but I do not love the surveillance state that has errupted in the past decades - it is an affront to the principals we founded ourselves on, and I say that as a law-abiding citizen with nothing to hide.