Shark Tank star Kevin O’Leary appeared on CNBC on Sept. 13. The outspoken investor had a lot to say about Bitcoin (CCC:BTC-USD), Ethereum (CCC:ETH-USD) and the regulatory changes needed to make cryptocurrencies a legitimate institutional asset class.  Source: shutterstock I don’t think he’s wrong. It’s possible that decentralized finance (DeFi) can coexist with regulatory oversight. However,…