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  2. Counterfeit banknote detection pen - Wikipedia

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

    A counterfeit banknote detection pen, used to detect fake banknotes. 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 ...

  3. 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.

  4. 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 ...

  5. Millennial Money: Stop using paper checks, already - AOL

    www.aol.com/news/millennial-money-stop-using...

    You can also write your checks using a black gel ink pen to make it harder for criminals to wash your checks (the ink soaks into the paper). If you’re sending a check to someone, ask them to let ...

  6. Cheque - Wikipedia

    en.wikipedia.org/wiki/Cheque

    A cheque (or check in American English; see spelling differences) is a document that orders a bank, building society (or credit union) to pay a specific amount of money from a person's account to the person in whose name the cheque has been issued.

  7. Intelligent banknote neutralisation system - Wikipedia

    en.wikipedia.org/wiki/Intelligent_banknote...

    Money stained with a permanent security ink The concept of an IBNS is based upon the notion that criminals seek to maximize their reward while minimizing the potential cost of the crime. [ 3 ] Intelligent Banknote Neutralisation Systems remove the anticipated reward of the crime and increase the risk of being caught.