Intercontinental Exchange Inc. is closer to offering Bitcoin futures trading as its Bakkt unit opens its digital-asset custody warehouse today to customers. Here are the nuts and bolts of how it will work. • Once the futures begin trading on Sept. 23, actual Bitcoin can be acquired by going long in the one-day or 30-day contract and holding to delivery. • Trades will occur on ICE Futures U.S. • Clearing is through ICE Clear U.S. • Custody is handled by Bakkt Trust Co., which received a charter from the New York State Department of Financial Services last month to hold customer tokens. This warehouse will move ... (full story)