Bitcoin 2 is a scalable Bitcoin fork that supports private transactions through the Zerocoin protocol and nearly instantly verified payments by Masternodes. Bitcoin 2 uses a Proof of Stake system that allows anyone even running a basic laptop to get block rewards while contributing to running the blockchain.
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.