India, May 25 -- image credit- freepik

Researchers at the Indian Institute of Technology (IIT) Guwahati have developed an advanced light-emitting perovskite nanomaterial that could improve protection against fake currency, forged documents, and other counterfeit products. To achieve this, the research team has developed nanocrystals capable of producing light-based security patterns that cannot be replicated using traditional printing and imaging methods.

Counterfeiting has become a global concern affecting various industries, ranging from pharmaceuticals and electronics to banking and identity documentation. With the help of modern technologies, offenders have found ways to accurately copy conventional security measures such as barcode...