Factbox - Facebook's cryptocurrency Libra and digital wallet Calibra

SAN FRANCISCO/NEW YORK (Reuters) - Facebook Inc revealed lofty plans to establish a cryptocurrency called Libra in June, but the project quickly ran into trouble with sceptical regulators around the world.Opposition deepened on Friday, when both France and Germany pledged to block Libra from operating in Europe and backed the development of a public cryptocurrency instead.Facebook's goal is for Libra to be run by an association of other corporate investors and non-profit members, with an..