New meme coins from the president and First Lady caught many off-guard this weekend. But some traders bet big early, and it paid off.

Awaiting Trump’s return to office, the cryptocurrency industry was thrilled by the president’s promises to provide clear-cut regulatory guidelines that would help the sector grow while easing the volatility it’s become notorious for.

Just days ahead of his return to the White House, President Trump and his wife, Melania, launched a pair of meme coins that have skyrocketed in value and earned them billions of dollars, at least on paper.