V Systems is a blockchain platform that was developed by Sunny King, the creator of Peercoin and Primecoin. Peercoin was one of the first Proof of Stake Coins, and V Systems is designed to improve upon the consensus mechanism with a better staking system.

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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Cardstack is a blockchain technology company that is developing an open-source framework and consensus protocol to make blockchains more usable and scalable. Their goal is to create a decentralized modular smart contract ecosystem. The Cardstack network is powered by the Ethereum-based CARD token.