‘My tech stocks have performed worse than my crypto has,’ says Mark Cuban, one of the billionaires who has become a crypto convert. Getty Images Cryptocurrency hasn’t always found the most welcoming audience among the world’s superrich. Billionaires have been some of the biggest critics, with heavy-hitters like Berkshire Hathaway Chairman and CEO Warren Buffett, Microsoft cofounder Bill Gates and JPMorgan CEO Jamie Dimon all openly skeptical of—or downright opposed to—digital assets like Bitcoin and Ethereum. “If you told me you own all of the Bitcoin in the world and you offered it to me for $25, I wouldn’t take […]