HappyCoin is a digital currency designed for use of peer-to-peer technology to operate with no central authority; managing transactions and issuing money is carried out collectively by the network.
I/O Coin cryptocurrency enables up to 1MB doc AES256 encrypted storage (and transfer), encrypted messaging, private payments and identities. The blockchain is dapps ready via api. It offers up to 15 second POS blocks at 4MB per block.