In the ABN March 2023 issue, we looked at four developments to protect gold bars and commemorative coins from counterfeiting. As companies continue their anti-counterfeiting advancement, we look at a few more developments in this area, covering overt and covert features and digital traceability.

IQ Structures, a research and production organisation focused on nanotechnology engineering, part of the IQS Group, has introduced holograms that can be authenticated automatically. All it takes is a normal light and a mobile phone app.

Texas A&M University researchers have developed a method of imprinting a hidden magnetic tag, encoded with authentication information, within hardware during the parts fabrication process through additive manufacturing.