EvenCoin is a self-mining smart contract platform that is built on the Ethereum blockchain. EvenCoin is mined in parallel to even numbers of Ethereum blocks. The team behind EvenCoin are developing several decentralized projects that will use the self-mining protocol, including an exchange and a travel booking platform.

Aeternity is a smart contract driven blockchain platform that aims to integrate real world data and improve the overall performance of smart contracts. Aeternity has a hybrid consensus algorithm that combines PoW for verifying transactions, and PoS for governance purposes. The platform is based on a system of state channels that allow users to interact privately with each other and record this information off-chain.