Chen Maobo, Financial Secretary of the Hong Kong Special Administrative Region Government, published an essay on the website of the Hong Kong Special Administrative Region Government, saying that in the past year, Hong Kong's international financial center has expanded its business scope, diversified its products, and diversified its sources of funds. The Guangdong-Hong Kong-Macao Greater Bay Area has closer cooperation. In terms of financial infrastructure and innovation, the Hong Kong Monetary Authority is studying the application of the digital Hong Kong dollar; the "multiple central bank digital currency cross-border network" (mBridge) has also entered the trial stage from the experimental stage; The cooperation with the People's Bank of China on digital renminbi cross-border retail payments has also entered the second phase of testing. The goal is to add value to the digital renminbi wallet through FPS in the future.