There is also Maidsafe: http://maidsafe.net/ http://maidsafe.net/ They are building a distributed file store system. They use consensus algorithms to ensure d

There is also Maidsafe: http://maidsafe.net/ http://maidsafe.net/ They are building a distributed file store system. They use consensus algorithms to ensure data integrity. There is a specification for a crypto-currency on top of that. I do not believe the consensus algorithm has been fully implemented, but what they have looks promising. The documentation is not great, but here is a link to more technical detail about how data is stored in the system: https://github.com/maidsafe/MaidSafe-Vault/wiki/Documentation https://github.com/maidsafe/MaidSafe-Vault/wiki/Documentatio...