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Big Banknote Data

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

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

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

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

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

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...