reportedly took $10 million from the NSA to give the agency a back door into its software. Said Colbert: "I looked at the signatures on the online petition, then I looked at the signature -- my signature -- on the bottom of the contract saying I'd be here today, and my conscience was clear, as long as the check clears. Well, it's not actually a check. They gave me a Bitcoin voucher for Mt. Gox. And I'm sure it's going to be fine."