On November 25th, Zhu Lihuang, secretary-general of the China Computer Society Blockchain Committee, said in an interview that blockchain technology has not yet become a "must" option in the Internet field, but in time, its importance will gradually Prominent. The application of blockchain technology has been extended to digital finance, Internet of Things, intelligent manufacturing, supply chain management, digital asset trading and other fields. Blockchain technology has broad prospects for development and has a wide range of application scenarios, but it still faces many challenges. First, the issue of integration remains to be explored. Second, the core technology is the key. Third, the regulatory capacity needs to continue to strengthen. Fourth, it is urgent to continue to help high-end talents.