EURion Constellation - the reason you can't photocopy money (en.m.wikipedia.org)

submitted 4 hours ago by smaaauuug@lemmy.world to c/wikipedia@lemmy.world

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[-] AllNewTypeFace@leminal.space 4 points 3 hours ago

There’s a rumour that Mossad have a similar code, which when scanned by an airport luggage scanner, will cause the scanner to wave the item through.

[-] Trebuchet@lemm.ee 3 points 3 hours ago

That's fascinating. If i recall correctly, some printers, eg xerox machine, intentionally leave identifying marks on printed documents too, allowing someone to trace where the documents originated.

this post was submitted on 31 Oct 2024

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