Abstract: Throughout history, the use of chemical knowledge for information encryption has been common. This paper introduces the public to the chemistry behind phosphorescent materials through the "promotion story" of the phosphorescent materials team. It highlights the waterproof and color-changing properties of new phosphorescent materials and explores recent scientific advancements in encryption, anti-counterfeiting, and decryption technologies. The article aims to engage readers in the fascinating world of chemistry while emphasizing the importance of information security and technological progress.

Key words: Science popularization, Phosphorescent anti-counterfeiting, Waterproof, Afterglow tuning