On September 26, the 40th national best stamp award ceremony was held in Dunhuang, Gansu Province. As a celebration, China Post specially produced a commemorative sheet for the 40th national best stamp selection.
It is equipped with NFC chip, uses near-field communication technology and mobile phone NFC function to read the chip content through China Post app. It is the first NFC chip stamp in China and the first stamp in the world to realize chip reading and writing.
This commemorative stamp has built-in 120um ultra-thin chip, and uses high-level security encryption function to write data, which can effectively prevent malicious unlocking and ensure the security of information storage.
When consumers install the China Post APP, use a mobile phone that supports NFC close to the souvenir sheet
The built-in chip can also record every read information. Through data record analysis, it can realize the functions of consumer use analysis, market cloud promotion, anti-counterfeiting traceability and electronic anti-counterfeiting, laying the foundation for the launch of blockchain stamps.
The Stamp Printing Bureau team, after a long-term technological research reserve and a special technological breakthrough in 2020, focused on meeting the basic attributes of stamps and repeatedly finalizing the composite means of raw materials, processes, processes and chips. It is also necessary to constantly overcome the new problems caused by the integration of NFC technology, and repeatedly try to implant NFC chips in traditional printing processes, exploring the organic combination of their functionality, anti-counterfeiting and safety, and finallyThe multi-layer paper composite technology has been successfully introduced, and the stamp paper still has unique anti-counterfeiting fiber and back glue, and retains the complete stamp paper properties.
In order to protect the chip in the whole process of printing, souvenir sheet was introducedLaser drilling technologyAnd after the chip was implanted,Stamp sequence code, fluorescent code and chip id one by oneIt really makes every commemorative card in the hands of stamp collectors unique.