When “Shark Tank” personality Mark Cuban sees the potential in something, he’s willing to put up big. This year the emergent world of decentralized finance (DeFi) received a boost of legitimacy (and capital) when the Dallas Mavericks owner said it represented a real challenge to and advancement on the traditional banking system. Like all of us, the billionaire investor has been learning as he goes – sometimes leading to embarrassing public slip ups. But Cuban isn’t afraid to take on a little risk, even gambling with his hard-earned street cred by calling for coherent crypto regulation.