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Big Banknote Data

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The Bank of Canada has recently begun collecting data on all individual notes processed by their high-speed sorting equipment, and now houses over a...
security ink

Security ink discovered for fraud prevention

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Indian scientists have developed a special safety ink that can prevent counterfeiting of banknotes and identity documents. After exposure to UV light of a certain...

Disruptive technologies in security printing

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This article is based on the report “Ten-year Forecast of Disruptive Technologies in Security Printing” published by Pira International in August 2010. The report...

Optical effect of novel structural colour OVD

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Optically variable devices (OVDs) display special visual effects such as colour-shifting and image-shifting representation. OVDs which are composed of microscopic structures are quite different...
sweden digital currency

Sweden tests e-krona digital currency

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Sweden has unveiled a pilot programme for the e-krona as a possible digital alternative to paper cash. Swedish central bank Sveriges Riksbank says in recent...

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History of the U.S. Passport: Part 7

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In his comprehensive history of the U.S. passport, Tom Topol—passport expert, collector, and author of Let Pass or Die—has followed the evolution of this...