Exonum

“Exonum is an extensible framework for blockchain projects.

Exonum enables you to build decentralized, secure and reliable blockchain applications. It is designed to allow people, companies and governments to design custom private or permissioned blockchains that benefit from the unmatched security of public blockchains.

Exonum brings all the advantages of a true blockchain — auditability, transparency, and unparalleled security — and combines them with privacy, efficiency and controllability.”

https://exonum.com/ it uses the BFT algorithm and anchors itself to the BTC blockchain. Uses the Rust language.

Created by Bitfury