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Security by Design: False Split Fountains

Joel Zlotnick, Jordan Brough and Troy Eberhardt The first three papers in this series described how counterfeiters reverse engineer security document artwork and proposed security...

Transparent ink

Transparent ink that becomes visible/invisible, depending on the angle of view and/or light.

UV Ink

Ink that is invisible to the naked eye and that becomes visible when irradiated with Ultra Violet (UV) light. This can consist of text, a...

Spark

An optically variable ink that changes colour and brightness, giving the impression of dynamic movement.

Thermochomatic ink

Ink that changes colour in response to a source of heat or cold. Once the heat source has been removed, the colour change (shift)...

Phosphor ink

Ink that emits light following exposure to a light source (ambient or UV light).

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UK Banknotes Colour campaign gains steam

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Black, Asian and minority ethnic figures are set to feature on British banknotes and coins for the first time. Sunday Telegraph reports Rishi Sunak, Chancellor...

The biometric sea

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Hardware components of the biometric passport

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In Part 1 of this series, Ravi Das examined the software components of a biometric passport. The hardware components will now be discussed. The hardware...

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