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Why do passports only come in four colours?
Passports around the world are only made in four colours: black, blue, red and green.
There are no official rules or regulations governing what colours...
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New Global Trade Body Champions Optical Security Technologies
January 15, 2025: A new international trade body has been launched to represent and promote the wide range of authentication, anti-counterfeiting and automation optical...
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Hybrid Banknotes: A Bridge Between Cash and Crypto
As central bank digital currencies (CBDC) become reality and the use of cryptocurrencies for payments becomes more mainstream, how will these new digital monies...


























