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  2. Counterfeit banknote detection pen - Wikipedia

    en.wikipedia.org/wiki/Counterfeit_banknote...

    A counterfeit banknote detection pen is a pen used to apply an iodine-based ink to banknotes in an attempt to determine their authenticity. The ink reacts with starch in wood-based paper to create a black or blue mark but the paper in a real bill contains no starch, so the pen mark remains unchanged.

  3. Currency detector - Wikipedia

    en.wikipedia.org/wiki/Currency_detector

    A currency detector or currency validator is a device that determines whether notes or coins are genuine or counterfeit.These devices are used in a wide range of automated machines, such as retail kiosks, supermarket self checkout machines, arcade gaming machines, payphones, launderette washing machines, car park ticket machines, automatic fare collection machines, public transport ticket ...

  4. Counterfeit money - Wikipedia

    en.wikipedia.org/wiki/Counterfeit_money

    Anti-counterfeit money sign and examples of counterfeit notes received by a noodle shop in Kunming, Yunnan, China. Some of the ill-effects that counterfeit money has on society include: [3] [4] Companies are not being reimbursed for counterfeits. This has led to companies losing buying power. [30] As such, there is a reduction in the value of ...

  5. What Should You Do if You Receive Counterfeit Money? - AOL

    www.aol.com/finance/receive-counterfeit-money...

    Cash is always great, but in today's digitally-dominated world, it seems to be becoming increasingly scarce. If you don't handle cash often, it can be difficult to determine a genuine banknote from...

  6. UV marker - Wikipedia

    en.wikipedia.org/wiki/UV_Marker

    UV marker with UV led lamp. An ultraviolet (UV) marker is a pen whose marks are fluorescent but transparent; the marks can be seen only under an ultraviolet light. They are commonly used in security situations to identify belongings or to prevent the reproduction of unauthorized banknotes. UV pens can now be bought at some stationery shops to ...

  7. What is check kiting? The viral "money glitch" that's ... - AOL

    www.aol.com/check-kiting-viral-money-glitch...

    Retail kiting is when a kiter writes a bad check to make a retail purchase, but before said check clears, they write a second check that includes a cashback payment. That cash is deposited ...

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