How do you think about DeFi?The DeFi game is still in early phase. DeFi do change a lot. Before that, everything is controlled by governments. From BTC to Ethereum, from Ethereum to Polygon, from Polygon to Arbitrum, now the networks are much more faster and gas fee friendly. When the infrastructures become better, the upper applications will flourish. In the next few months, EIP-4844 is expected to be deployed; at that time, L2 network's gas fee will be cheaper, such as only 1/12 of the...