  With the continuous development of web technology, Web3.0 has attracted a
considerable amount of attention due to its unique decentralized
characteristics. The digital economy is an important driver of high-quality
economic development and is currently in a rapid development stage. In the
digital economy scenario, the centralized nature of the Internet and other
characteristics usually bring about security issues such as infringement and
privacy leakage. Therefore, it is necessary to investigate how to use Web3.0
technologies to solve the pain points encountered in the development of the
digital economy by fully exploring the critical technologies of digital economy
and Web3.0. In this paper, we discuss the aspects of Web3.0 that should be
integrated with the digital economy to better find the entry point to solve the
problems by examining the latest advances of Web3.0 in machine learning,
finance, and data management. We hope this research will inspire those who are
involved in both academia and industry, and finally help to build a favourable
ecology for the digital economy.
