In recent years, China's digital economy has developed rapidly and achieved remarkable results. Influenced by Bitcoin, blockchain began to attract our attention in 2018. In this video, through the explanations of teachers and experts and interviews with related companies, the students will know the definition and characteristics of blockchain, the generation and development of Bitcoin, the application of blockchain in daily life, and the details of blockchain’s development in China. This video will enable students to have a preliminary understanding of blockchain-related knowledge.