The inaugural ceremony of the first digital stamp in the history of China Post, the "Jiachen Year" digital stamp, was held on January 18th at the Cyberport in Hong Kong. This digital stamp is the first digital encrypted stamp issued by China Post on the public blockchain. The stamp design is based on the special stamp pattern of "Jia Chen Nian" issued by China Post on January 5, 2024. A total of 5 combination sets consisting of different physical products and "Jia Chen Nian" digital encrypted stamps were released in this event, with a limited quantity of 10000 copies. The physical part consists of a small collection of paper Chinese zodiac stamps from the Year of Jiachen, as well as four sets of full gold stamps, including New Year stamps, Nafu stamps, Ruyi stamps, and Auspicious stamps. Among them, the complete set of Chinese zodiac stamps for the Year of Jiachen is jointly issued by China Post, Hong Kong Post, and Macau Post and Telecommunications; The four full gold sets adopt the stamp pattern of "Jia Chen Nian" and engrave the unique blockchain contract address of the digital stamp of "Jia Chen Nian" on the gold object. At the same time, this digital stamp provides personalized services for philatelists, engraving personalized information on the blockchain, such as signing the collector's name, birthday, or sending a gift message. This set of digital stamps is jointly issued by China Post Hong Kong Limited, Jinjiu Yinjiu (Hong Kong) Financial Technology Co., Ltd., and Beijing Longyuan Traditional Cultural Exchange Promotion Center. (Lai Xin She)