Libra’s goals are ambitious and many details remain to be determined. But from Visa and MasterCard to Uber and Lyft, it’s backed by a lot of big names. Facebook’s much-rumored move into cryptocurrency is official. On Tuesday, the Facebook-led Libra Association introduced itself and its mission to the public. This alliance of financial and tech titans will function as an independent not-for-profit organization headquartered in Geneva, responsible for overseeing the development and governance of a new blockchain built for payments.