Note to readers: On December 1, 2020, the Libra Association was renamed to Diem Association. The project repos are in the process of being migrated. All projects will remain available for use here until the migration to a new GitHub Organization is complete.

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    Diem Core implements a decentralized, programmable database which provides a financial infrastructure that can empower billions of people.

    Note to Developers

    • Diem Core is a prototype.
    • The APIs are constantly evolving and designed to demonstrate types of functionality. Expect substantial changes before the release.
    • We’ve launched a testnet that is a live demonstration of an early prototype of the Diem Blockchain software.


    To begin contributing, sign the CLA. You can learn more about contributing to the Diem project by reading our Contribution Guide and by viewing our Code of Conduct.

    Getting Started

    Learn About Diem

    Try Diem Core

    Technical Papers




    Diem Core is licensed as Apache 2.0.


    Diem’s mission is to build a trusted and innovative financial network that empowers people and businesses around the world.

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