The Internet has evolved from version 1.0 to 3.0. Web 1.0 was primarily based on HTTP and HTML，supporting basic content interaction. Entering the 2.0 era，technologies such as SNS and RSS have enhanced user interaction，strengthening the social and collaborative functions of the network. Web 3.0 marks the rise of the intelligent network，with core technologies including artificial intelligence and blockchain，emphasizing the decentralization of data and the return of user data ownership. In this report，smart contracts and blockchain technology have improved the security and transparency of data asset circulation，promoting the rights confirmation and efficient circulation of digital assets. Future data asset circulation platforms will further focus on decentralization，user privacy protection，and cross-chain technology to enhance the market efficiency and user experience of data assets，driving the development of the data economy. Each technological update of the Internet has greatly promoted the progress of the information society，indicating that the network will become more intelligent and human-oriented in the future.