Visa and Mastercard, the world’s largest card operators, said they had blocked Russian banks from their networks under new U.S. sanction orders. The two also announced $2 million donations each in humanitarian aid to Ukraine. Their move comes in the wake of some of the strictest U.S. sanctions against Russia yet, which saw several Russian The post Breaking: Visa, Mastercard Block Russian Banks As Per New U.S. Sanctions appeared first on CoinGape.