On June 13th, Babbitt columnist Larry wrote that there are five major trends in the blockchain in 2019, namely: 1. The integration of blockchain and other emerging information technologies; 2. Blockchain as a service (BaaS) solution The rise of the three; the best mixed blockchain in the two worlds – the fusion of private and public chains; 4. The Ricardian contract not only defines the intent, but also automatically executes the instructions; 5. The rise of the securities token issuing STO replaces The initial token is issued by ICO.