LONDON (Reuters) – George Osborne, Britain’s former finance minister, has joined Coinbase Global’s advisory council, the cryptocurrency business said on Wednesday, as the exchange tries to grow internationally amid U.S. regulatory pressures. Osborne, 52, was finance minister from 2010 until he lost his job after the 2016 Brexit referendum. He later went on to edit a London newspaper and is currently a partner at boutique investment bank Robey Warshaw as well as being chair of the British Museum. “There’s a huge amount of exciting innovation in finance right now. Blockchains are transforming fi…