For those who don't know about the MaidSAFE project,
The Whitepaper (a good read): https://github.com/maidsafe/Whitepapers/blob/master/Project-...
here's their code: https://github.com/maidsafe
This project is something that's quite interesting in its scope. It goes to see how successful they'll be in implementing all of this, and how robust the system would turn out (e.g. would someone lose data if 10% of the network magically disappears overnight)