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.”

JPMorgan Chase is finally allowing clients to buy bitcoin. But CEO Jamie Dimon is still a skeptic.“We are going to allow you to buy it,” Dimon said at the bank’s annual investor day on Monday. “We’re not going to custody it.