Babbitt reported on the spot that on December 1, the construction of the Hainan International Offshore Innovation and Demonstration Demonstration Zone and the Blockchain · Digital Asset Trading Technology Innovation High-end Forum was held in Sanya, Hainan. Li Xiaofeng, the former director of the Institute of Financial Information Technology of the People's Bank of China, said in his speech that there are two aspects of the new blockchain technology in 2019. The performance aspects include BUTXO model, Bystack BFT, spatio-temporal database, trusted computing and parallel public chain. Privacy and security aspects include stealth addresses, Pederson commitments, fuzzy attribute encryption, VRF mechanisms, Buddy consensus, galaxy consensus, and security situational awareness. He also pointed out that asset digitization is a direction for the development of the bank's blockchain business. According to the different underlying assets of securitization, asset securitization can be divided into real estate securitization, accounts receivable securitization, credit asset securitization, and future income. Securitization and bond portfolio securitization. Regarding the central bank's digital currency, he said that the central bank's digital currency has landed in the Guangdong-Hong Kong-Macao Greater Bay Area and has taken the lead in piloting it.