VestChain is developing a smart contract platform that will have a double layer architecture. Their network is currently powered by the Ethereum based VEST token.

The LTO Network is a blockchain platform designed to automate workflows and collaboration between organizations. The company places an emphasis on ensuring regulatory compliance. Their network has a hybrid architecture that combines elements of private and public blockchains.

Chromia is a relational blockchain platform that is designed to be both a blockchain and a relational database. Chromia was created by a Swedish development company called ChromaWay, with the intention of combining the advantages of a blockchain's transparency with the benefits of a relational database system, such as data independence and reduced redundancy.