> Libra is supposed to be a decentralized blockchain payment system, similar to Bitcoin There's a very big difference between Libra and Bitcoin. In Bitcoin min

> Libra is supposed to be a decentralized blockchain payment system, similar to Bitcoin There's a very big difference between Libra and Bitcoin. In Bitcoin miners can come and go as they please, and they don't have to be known or trusted. Bitcoin's innovation with POW was to make this possible at all. In Libra the consensus nodes are known, making POW unnecessary.