Mobile payment has become quite popular in China in recent years, but it has not yet been able to truly replace cash payment methods such as renminbi and coins. A few days ago in China, an app called “Digital RMB” was put on the shelves of all major app stores, including the Android and iOS versions of the app, which were launched at the same time and opened to the public for download. However, since the program is still in the testing stage, only “whitelisted” users in the pilot areas and scenarios can register and use it. The “Digital RMB”...