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.
GoChain is a scalable, high performance, low cost, and decentralized cryptocurrency and blockchain that supports smart contracts and distributed applications. GoChain promises to deliver 100 times the speed of the Ethereum network, and acts a better alternative to smart contracts by using Proof-of-Reputation as a consensus mechanism rather than Proof-of-Work or Proof of Authority. Check out CoinBureau for the complete review of GoChain.