The latest warnings from JPMorgan’s Jamie Dimon on geopolitical risks and tariffs have become par for the course.While he hasn’t quite achieved the stature of legendary investor Warren Buffett, as the head of America’s biggest bank people usually sit up and listen when Dimon makes predictions.

J PMorgan Chase’s CEO Jamie Dimon has long been one of Bitcoin’s most vicious skeptics. In 2017, he said he would fire any employee who traded Bitcoin for being “stupid,” and called it a “fraud.” Last year, he called the cryptocurrency a “pet rock.”