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.

Harmony is developing an open consensus blockchain platform. Harmony's sharding-based consensus mechanism is designed to scale as the number of nodes increases in the network. Harmony aims to tackle issues related to scalability by optimizing across multiple layers in a way that will enable parallel transaction processing with reduced latency. Harmony is currently powered by the ONE token, which is built on the Binance blockchain.

CyberMiles is developing a decentralized ecosystem for e-commerce. Their blockchain platform will provide users a library of e-commerce focused smart contracts to develop DApps and will facilitate decentralized settlements between parties.
The Cybermiles blockchain will be optimized specifically for e-commerce exchanges and will maintain records of users' identities, credit histories, and reputation scores. Users will be able to enter into smart business contracts without human intervention.
The CMT token will power the CyberMiles e-commerce network