According to CoinDesk, Dr. Nouriel Roubini said that Facebook's upcoming cryptocurrency, GlobalCoin, is not a true cryptocurrency. Roubini said: "GlobalCoin has nothing to do with cryptocurrency. It is completely private, controlled and centralized by a small number of licensed nodes. Is it related to the blockchain? No." Although he acknowledged that the specific details of the project are not clear (expected It will be announced in the white paper on Tuesday, but Roubini believes that GlobalCoin is unlikely to use generic blockchain technology.