Scratch card anti-counterfeiting method

Scratch card printing. Scratch cards are a special kind of securities, especially in that you can know the quality of the scratch cards only when you use up all the scratch cards. Since it is a marketable security, and it is a special marketable security, anti-counterfeiting is inevitably involved. Scratch card anti-counterfeiting methods continue to improve with the development of anti-counterfeiting technology, which is of course due to strong market demand. The anti-counterfeiting methods used in scratch cards are mainly as follows:

1. Metal wire anti-counterfeiting: realized in the papermaking stage. Metal wire is added to the pulp in the paper forming stage; metal wire anti-counterfeiting is rarely used in the production of scratch cards due to its high paper cost. This method is customized only when the quality is very high and the quantity is large.

2. Digital verification anti-counterfeiting: each ticket has a password, and consumers enter the special verification program to verify the authenticity when receiving the prize; this is the most commonly used anti-counterfeiting measure, with high anti-counterfeiting strength and very convenient use. The principle is similar to the network The anti-counterfeiting label is similar, the authenticity of the password can be verified through the website or SMS, or a special query tool, so as to determine the authenticity of the card.

3. Fluorescent anti-counterfeiting: Print colorless fluorescent light on a certain part of the card surface, and verify by ultraviolet light irradiation during verification;

4. Temperature change anti-counterfeiting: Print the temperature change ink at a certain position on the card surface, and it will disappear when heated, and it will recover immediately afterwards;

5. Intelligent unlocking and anti-counterfeiting: Use a dedicated decoding film to see through the anti-counterfeiting decoding from different angles, and different information will be displayed;

6. Interlayer anti-counterfeiting: an interlayer is set in the middle of the tear-off scratch card.