U.S. Federal Reserve Gov. Christopher Waller kicked off the central bank's first payments-innovation conference by vowing the Fed will embrace the crypto sector's innovations and saying he's asked staff to explore a lighter version of the so-called "master accounts" that give financial firms access to U.S. payment rails. "My view from the Fed from now on is embrace the disruption, don't avoid it," Waller said to open the Tuesday event. "The Fed intends to be an active part of that revolution." Waller, wh ...