Blog The Controversial Libra Who signed a charter to join the Libra Association, and who dropped out? On the 14th of October 2019, 21 members signed a charter to join the Libra Association and committed to using Facebook’s currency. You'll also like...What Is a Smart Contract?Consensus Algorithm InfographicIs Libra Really Build on Blockchain?Share this:TwitterFacebookLinkedInTelegramWhatsAppEmail PrevPreviousProof of Capacity NextProof of ParticipationNext