The days of pulling a crumpled $20 bill out of your wallet may be numbered. The U.S. Treasury has officially greenlit a sweeping monetary overhaul that will replace all paper currency with a combination of government-issued cryptocurrency and physical gold coins by 2027. Read More: Warren Buffett Has Become the World's First Trillionaire -- Shocking Musk and Bezos Find Out: How Middle-Class Earners Are Quietly Becoming Millionaires -- and How You Can, Too The plan calls for a full phase-out of paper money in favor of two new official forms of payment: TrumpCoin, a blockchain-based digital currency, and a line of gold coins embossed with the president's likeness in denominations of $5, $20, $100 and what the Treasury memo describes simply as "the big one." "It's a tremendous idea, maybe the greatest monetary decision in the history of this country, and that includes a lot of very good decisions," President Trump said at a press conference Tuesday. "Gold is real. Crypto is the future....