Problems of printing banknotes in PHOTOSHOP

It's because, generally speaking, some patterns are printed on the banknotes of all countries. You look messy and just embellished, but in fact you hide some special patterns, which are easy to be recognized by software;

If the software recognizes these specific patterns, it will restrict users from printing them.

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It turns out that the new version of paper money all over the world uses an imperceptible sign.

What do the five rings stand for? It turns out that these five rings are arranged according to Orion, and they were first found on 10 euro (EUR) paper money, so this symbol was named "EURion constellation". Once the machine finds that the picture to be printed contains this mark, it will immediately refuse to print. This sign has played a great role in preventing counterfeit money all over the world.