The first digital stamp in the history of China Post - the "Jiachen Year" digital stamp was launched at the Cyberport on Hong Kong Island. It is reported that the "Jiachen Year" digital stamp jointly issued by China Post Hong Kong Co., Ltd., Jinjiu Yinyin (Hong Kong) Financial Technology Co., Ltd., and Beijing Longyuan Traditional Culture Exchange and Promotion Center is China Post's first digital encrypted stamp issued on a public blockchain. Currently, in addition to Austria, many countries such as Switzerland, the Netherlands, and Japan have successively issued encrypted digital stamps. This event released a total of 5 combination sets composed of different physical products and "Jiachen Year" digital encrypted stamps, with a total limit of 10,000.