Because, other than a universal cryptocurrency like Bitcoin which already exists, there is no real use case for the fully distributed blockchain. What FB is mak

Because, other than a universal cryptocurrency like Bitcoin which already exists, there is no real use case for the fully distributed blockchain. What FB is making is a centrally controlled digital coin, no different from Beanz, an early attempt at the same thing. This is just a play by FB to get into fintech and try to take away some payments business from PayPal. There isn't really anything decentralized or crypto about it.