Former Brazilian Central Bank Governor: Bitcoin is the most compelling cryptocurrency; new payment methods appear after the release of Libra

Former Brazilian central bank governor Gustavo Franco called Bitcoin the most compelling cryptocurrency and hopes to see a new payment method after Libra is released. In addition, it also said: "McDonald's can create a "Mac", a cryptocurrency that can be converted into a giant. Starbucks can create "Star", let people buy cappuccino, all based on blockchain technology .Why not?"