Bitcoin has plunged 16% after a bruising day in Congress for Facebook's digital coin, Libra.<br />"Facebook has burned down the house over and over and called every arson a learning experience," Sen. Sherrod Brown said.<br />Brown's comments follow criticism of Libra from the Treasury Secretary, the President Donald Trump, and the Fed Chair.<br />There has also bee criticism from the head of the House Financial Services Committee, Rep. Maxine Waters. <br />
