Federal Reserve Chairman Jerome Powell’s shrug could be heard all the way to Silicon Valley. Like everybody else in government, the U.S. central bank chief is unsure how regulators will handle Facebook Inc.’s plan for a digital currency called Libra. He made that clear at a Senate hearing Thursday where he reiterated concerns about the cryptocurrency’s potential for fomenting money laundering and financial instability problems. And he expressed specific worries over customers’ privacy. “There isn’t any one agency that can stand up and have oversight over this,” Powell told members of the Senate Banking Committee. ... (full story)