Economy
Why counterfeit pens can miss fake bills
HERE’S THE INTERESTING PART
Cashiers violently scribble on your high-denomination bills with a special marker, convinced they are uncovering master criminals. In reality, that chemical pen does almost nothing; it merely reacts to the wood-based starch found in standard printer paper. If a forger simply prints their fake cash on high-quality linen-blend paper, the magical security pen is completely useless.
One discovery leads to another.
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