In the Web2 era, the internet was built on centralized platforms, where users' content, data, and identities were controlled by large corporations. While this model drove rapid internet development, it also led to privacy breaches and data monopolies. The emergence of Web3 responds to these challenges. Blockchain, as a decentralized technology, provides the essential foundation for Web3. Without blockchain, it is impossible to achieve transparency, user-controlled assets, or a truly trustless...