Fireblocks, the U.S.-based crypto services provider in which BNY Mellon has a stake, has raised USD550m in Series E funding. This brings its valuation to USD8bn, making Fireblocks the highest-valued digital asset infrastructure provider in the world. This follows the recent USD350m fundraising round by Anchorage Digital, the U.S.-based crypto custody platform, valuing the business at over USD3bn.