You Can’t Use a Trillion-Dollar Coin — CoinDesk

So, yes, it’s perfectly legal for the Secretary of the Treasury to wake up one day feeling bold and instruct the U.S. Mint to create a trillion-dollar platinum coin. The debt ceiling wouldn’t be raised – only Congress can do that. Still, minting a coin is different from issuing debt, like government bonds, so the public debt wouldn’t immediately grow. Problem solved, right?