Introduction: In modern business society, counterfeit products are rampant, causing huge economic losses and trust crises to consumers and businesses. In order to protect brand image and maintain market order, enterprises have adopted various anti-counterfeiting measures to ensure the authenticity of their products. Among them, VOID (once uncovered, it cannot be restored) anti-counterfeiting materials have attracted much attention due to their unique destructive properties. This article will introduce the classification…