I'll go ahead and throw my cryptocurrency into the pile too: www.siacoin.com. For both StorJ and MaidSAFE, I believe that each has a development team which is

I'll go ahead and throw my cryptocurrency into the pile too: www.siacoin.com. For both StorJ and MaidSAFE, I believe that each has a development team which is taking money and has full intentions of completing their cryptocurrency. We are the same way, have taken around $120,000 from the community and now have a handshake deal with an investor for a substantially larger sum. Nobody has a working prototype, so there's definitely a race right now. Permacoin looks like the newest of all, only having just released a whitepaper. They also seem to have the most complete whitepaper.