Japan Content Token, also known as JaCKet, is developing a blockchain middleware platform that will provide a variety of services to assist clients in leveraging distributed ledger technology. The JaCKet network is powered by the Ethereum-based JCT token.

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.

Asch is developing a commercial blockchain ecosystem with multiple blockchains. The company is creating several SDK's and API's that will help developers build DApps that are based on JavaScript and customized sidechain architectures. The Asch network has a DPoS consensus mechanism that incorporates elements of PBFT for enhanced security.