“Think of cars. All the engines are like gasoline engines. It wasn’t until the first electric engine was created that cars can go really fast and for long amounts of time. And this is the same with crypto,” he told CoinDesk in a video interview. “First, we have proof-of-work, which is like gasoline engines. But now Ethereum is the first protocol to have a big upgrade to use electric engines, and the possibilities with electric engines are so much bigger. And this is the moment … it can skyrocket in terms of value, new dynamics, scalability, interoperability and privacy.”