Mainframe is creating a blockchain development platform for decentralized applications. Their marketing materials place a strong emphasis on encryption, privacy, and interoperability. Onyx, a decentralized workplace messaging tool, is the first application to be built on the Mainframe network.
Mainframe is powered by the MFT token.

NEAR Protocol is a decentralized application platform designed to make DApps operable on the web. The NEAR network uses a Proof of Stake consensus mechanism called Nightshade. The NEAR utility token is used for processing transactions and storing data, as well as for facilitating voting for governance issues.
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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.