Anthony Scaramucci, the hedge-fund manager hired and fired by Donald Trump in his first term as president, jokes that he owes his ex-boss a token of thanks.

"I probably have to buy Donald Trump a Christmas gift,” he quipped, when asked about the runup in the price of bitcoin following the reelection of a man he once called a friend but now considers a danger to the country. "Like a gift card to McDonald’s.”

Like many of the investors who stuck with cryptocurrency through its ups and downs, its scandals and scams, Scaramucci is basking in an I-told-you-so glow today.