Invisible ink, aswell accepted as aegis ink, is a actuality acclimated for writing, which is airy either on appliance or anon thereafter, and which after on can be fabricated arresting by some means. Airy ink is one anatomy of steganography, and it has been acclimated in espionage. Other uses cover anti-counterfeiting, acreage marking, duke backyard for readmission, children's games, and appearance for the purpose of identification in manufacturing.
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