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How do banknote detector pens work?
Fake banknote detector pens work by testing the paper used in banknotes. The ink in the pen contains iodine or a similar substance that reacts with the starch in the wood-based paper commonly used in counterfeit banknotes. The iodine causes a chemical reaction with the starch, resulting in a dark blue or black colour. When […]
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How to check polymer banknotes
In addition to the portrait and design, each Bank of England note has a range of security features to prevent counterfeiting. Some of the security features include: A transparent window: Each note has a clear window containing a hologram of the denomination, which can be seen from both sides of the note. Raised print: There […]
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Banknote Counterfeiting
The history of banknotes can be traced back to ancient China, where merchants would use paper receipts to represent the value of goods stored in a warehouse. Over time, these paper receipts became a currency and eventually evolved into the banknotes we use today. As banknotes became more widespread, the need for security measures to […]
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Banknote Security Features
Banknotes worldwide have several security measures to prevent counterfeiting and ensure their authenticity. Here are some of the common security measures used. Watermarks A watermark is an image or pattern incorporated into the banknote paper during the manufacturing process, and it can be seen when held up to the light. Security threads A security thread […]
