As of February 20, in terms of digital currencies, the Central Bank's Digital Currency Research Institute has applied for 65 patents, and the Central Bank's Printing Science and Technology Research Institute has applied for 22 patents. The latest publicly available patent name is "A Method and System for Generating Digital Currency" (filed on August 29, 2019, and published on February 4, 2020). At this point, the central bank's patent for the entire process of issuing digital currencies has been applied for, including generation, circulation, and recovery. It is worth noting that the applicants for these three patents are the Digital Currency Research Institute of the People's Bank of China. The applicants include "Mu Changchun and Di Gang". They are currently the director and deputy director of the Central Bank Currency Research Institute.