“It’s a gambling device… there’s been a lot of frauds connected with it. There’s been disappearances, so there’s a lot lost on it. Bitcoin hasn’t produced anything,” Buffett told a group of reporters ahead of Berkshire Hathaway’s annual meeting at the CHI Health Center in Omaha, Nebraska. “It doesn’t do anything. It just sits there. It’s like a seashell or something, and that is not an investment to me,” he added.