At 40, he founded Binance, and by 41, he had achieved approximately $1 billion in profit, soaring all the way up. That year, it seemed like all the winds were blowing in CZ's direction. The story appears to be like this; everyone is willing to listen to a feel-good story. But in reality, before Binance, CZ went through real entrepreneurial exploration. His experience with Fusion Systems laid the foundation for trading systems and architecture.