Tezos

Tezos is a scalable, energy-efficient blockchain ecosystem and open-source platform for assets and applications, with a strong focus on security, upgradeability, and on-chain community governance. It empowers builders, developers, and businesses to deploy applications securely and at low cost. Through the efforts of its global community of developers, the protocol is evolving into a modular, interoperable multi-layer blockchain ecosystem - where L1 handles security, and L2 rollups offer performance, flexibility, and compatibility with mainstream programming languages, with a data availability layer to boost scalability and security.