Babbitt reported on the 12th, October 20th, 2019 CCF Blockchain Technology Conference was held in Chengdu. Ma Zhitao, vice president and chief information officer of Weizhong Bank, said in a speech entitled “Public Alliance Chain: The Key to Opening the Door of Distributed Business” that Facebook’s Libra project showed the rudimentary features of the public alliance chain, and Libra had the opportunity to The unified platform of the blockchain crosses national borders and opens up social scenes such as social, travel, e-commerce, telecommunications, consumer payments, and education. He also pointed out that Libra's shortcoming is that settlement and circulation are attached to the same stable currency. On the one hand, it is too dependent on startup companies such as Facebook to achieve loose coupling; on the other hand, it will bring existing financial regulatory systems. Come to a bigger test.