On January 12, Zhang Yichun, director of the Institute of Finance of Xiamen University, stated at the Second Xiamen International Blockchain Entrepreneurship Summit Forum that blockchain as a "second-generation Internet" has "setting rules, collaborative governance, circumvention verification, avoidance Repeating, streamlining processes, sharing information, improving efficiency, and saving costs ", eight prominent technological advantages, blockchain technology can be integrated into all walks of life to empower the real economy. For example, he said that an office building needs to be renovated. For the decoration contractor's choice, the traditional method is to use a bidding method to determine the entire process. If the blockchain and big data technology are used, it can be completed in a short time. The best items are selected from the interior decoration companies.