During his confirmation hearing before members of the Senate Banking Committee, Lael Brainard, a member of the Federal Reserve Board of Governors, said Congress would ultimately have to decide whether to move forward with a digital bank currency. central, or CBDC. Speaking to pro-crypto Senator Cynthia Lummis at the Dirksen Senate Office Building on Thursday, Brainard said the Fed would welcome Congress “playing a very important role” in updating the regulatory framework for cryptocurrencies and digital assets. Asked about the possible use of CBDCs to monitor users’ financial activities — as Lummis alleged in China — Brainard again deferred the…