infrared card marking technology

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From Traditional Detection Techniques to the Invisible Breakthrough of Infrared Marked Cards

May 13, 2025 May 14, 2025

The Origins of Card Marking Card marking is a longstanding practice that involves subtly altering playing cards in ways that remain hidden from opponents but easily recognized by those familiar with the marks. Traditionally, this has included techniques such as bending, crimping, or creating tiny tactile bumps called “blisters,” similar in feel to Braille. These […]

Can Infrared Card Marking be Detected by the Naked Eye?

November 1, 2024 November 1, 2024

Infrared card marking provides a significant advantage by being completely invisible under normal lighting, making it ideal for discreet use. This technique uses infrared ink, detectable only with specialized devices like infrared glasses or contact lenses. For professionals and enthusiasts seeking a subtle edge, infrared marking stands as the ultimate choice for privacy and efficiency […]