On this episode of The Diff, Joel talks Libra with Eric Nakagawa. Libra's mission is to enable a simple global currency and financial infrastructure that powers billions of people. Eric is the head of open source for Calibra, who is building a wallet for Libra. Eric describes how Libra works, how validator nodes work, what parts of Libra are open sourced, the difference between Libra and Calibra, and much more.