Derivatives marketplace CME Group announced today that it will further expand its cryptocurrency derivatives offering with the launch of Bitcoin Friday Futures (BFF) on September 30, subject to regulatory review. These new weekly futures contracts are one-fiftieth the size of one bitcoin and will be cash settled every Friday at 4:00 p.m. New York time at the CME CF Bitcoin Reference Exchange Rate New York Variable (BRRNY). The new BFF contracts will be available every Thursday at 6:00 p.m. New Y...