https://www.reuters.com/article/us-ecb-facebook-villeroy/ecbs-villeroy-tells-facebook-that-libra-faces-tough-scrutiny-idUSKBN1W213S >European Central Bank board member Francois Villeroy de Galhau said on Tuesday that "stablecoins" like Facebook’s Libra highlight gaps in rules and the media giant's project faced a tough regulatory approach.