On March 1, the sixth lesson of Babbitt Industry Orientation Class continued, and Huang Butian, the founder of the Cloud Elephant Blockchain, shared three suggestions for entrepreneurs. First, application driving is the core, and it cannot be a blockchain for a blockchain. Second, deepen the industry, can go up and down. What can be mentioned above is the productization of demand and the formation of a brand effect. What can be pointed out is that the founder must fully communicate with front-line demanders and understand the application requirements. Third, building core differentiated competitiveness is the way to survive.