On November 25th, Ethereum co-founder Vitalik said in an interview with Tencent's "Periscope" that he was worried that if particularly intelligent people did not make Crypto, those who stayed in the Crypto field might not have anything interesting. Thought, the only application is the financial application that everyone has been doing for many years. This will become a situation-issue a coin, make an exchange; issue another coin, this coin has cute dogs on it-these things are fun, but if they are the only ones that our industry does, then this industry is a failure. The challenge for our industry is to make an application that is both meaningful and that many people like to participate in. Regarding the question of why the Ethereum ecosystem and the Web3 ecosystem still have no products that are actually used, Vitalik said that before this year, transaction fees were too high, some important technologies were not yet mature, and account security issues and privacy issues had not been resolved. Therefore, before this year, we There is not enough technology in this industry to make applications that ordinary people can participate in. The only reason DeFi is a successful application is because DeFi can make more money. This year, we finally began to solve these problems. This year is the best time to make meaningful applications.