Warren Buffett lost a bet on a college-football game. He paid up by shipping a decades-old $5 bill using FedEx.

• Warren Buffett lost a bet with Chevron CEO Mike Wirth on a college-football game this season.
• The billionaire investor paid up by sending a decades-old $5 bill by FedEx.
• Buffett has budgeted a fresh $5 for betting on football next year.

Crypto fans hoping to rally the skeptical Warren Buffett to their cause could be waiting a while yet. The billionaire recently lost a wager, but instead of transferring tokens or even wiring money to settle it, he shipped a single $5 bill by FedEx.