Web3. 0 is just a concept word created by people in the industry. The most common explanation is that the information in the website can interact directly with the relevant information of other websites, and can integrate and use the information of multiple websites at the same time through a third-party information platform; Users have their own data on the Internet and can use it on different websites; Completely based on Web, the system functions that can only be realized by complex system programs can be realized by browser; After the user data is audited, it is synchronized with the network data.