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Technology Coin reactive ink
 
Protection strategy Product authentication
Type Overt feature
System Security inks
Medium Secondary packaging
Authentication/Identificaton Authentication
Traceability No
Cost Price on request
Required equipment Any metal object to scratch the ink
Vertification level User
N.B. This ink is available for use with wet or dry offset and flexographic printing
Description The image printed from this ink is white or transparent. The image is revealed when the edge of a coin or any other metal object is rubbed over the ink.
 
Strengths Low cost;
Can deter simple attempts at counterfeiting (coin reactive ink cannot be scanned or copied);
Easily verifiable (any metal object can be used such as a coin, a key etc..);
 
Limitations Require the User to know where to scratch and what to look for;
Can only be checked one time (after revelation the ink stays visible);
 
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