Factbox: Facebook's cryptocurrency Libra and digital wallet Calibra
https://www.reuters.com/article/us-facebook-cryptocurrency-facts/factbox-facebooks-cryptocurrency-libra-and-digital-wallet-calibra-idUSKCN1VY2AB
Facebook Inc revealed lofty plans to establish a cryptocurrency called Libra in June, but the project quickly ran into trouble with skeptical regulators around the world.
