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Tag: inks

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...

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)...

Spark

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

Phosphor ink

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

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Dangers That Threaten Your Smart Home

Introduction Now that the Remote Workforce is a certainty for a long time to come, the level of interconnectivity that exists in both the virtual...

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Zim resurrects its dollar note

In an attempt to counter the shortage of cash in its system, Zimbabwe is issuing new banknotes next month. There has been a drastic shortage...

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