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.

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.

DAEX is developing a decentralized cryptocurrency clearing ecosystem that will improve the underlying infrastructure of centralized exchanges. DAEX aims to solve many of the security and privacy issues related to centralized cryptocurrency exchanges by providing a secure digital asset storage service for developers and trading platforms. Their ecosystem is powered by the Ethereum-based DAX token.