Consumer-focused UK bank NatWest is putting a limit on the amount of money customers can transfer to cryptocurrency exchanges in a move that shows deteriorating relationships between digital asset firms and financial institutions. Users of the bank will be limited to payments of 1,000 British pounds ($1,218) per day and 5,000 British pounds ($6,090) over a 30-day period to cryptocurrency exchanges, NatWest said in a recent blog post....