This group is for software developers who are interested in learning more about new Libra Coin cryptocurrency project from Facebook. Organizers have some prior experience implementing Bitcoin wallets in Java and C#, cryptography, hardware security modules, smart cards, trustlets programming, FIDO U2F, secure elements and MCU programming. We plan to start some open source projects related to Libra in Java and C# languages. Let's learn together, discuss ideas and collaborate on projects! Everyone is welcome to join!