Reportedly, Citigroup, the American banking giant, is set to expand its cryptocurrency services by offering ‘Bitcoin Futures trading’ to some of its clients after receiving a green signal from the Chicago Mercantile Exchange (CME). Besides, the banking giant is looking for potential executives to join its crypto-focused team in London. Previously, Bank of America, Goldman Sach and Galaxy Digital enabled trading for BTC Futures for clients who desired to expose crypto.