From hidden magnetic fields to the way ink bleeds across the paper, WSJ sits down with a leading currency expert to explore the techniques used to prevent counterfeiting and forgery.

Police in Karnataka’s Dakshina Kannada district were left puzzled after seizing a stash of fake ₹500 currency notes marked “for movie shooting purpose only” from a rented house in Dandeli.The ...

Dakshina Kannada police discovered fake Rs 500 notes, marked for movie use, in a Dandeli rental property. The notes, found ...

With $100 bills often declined and digital payments on the rise, some are asking whether it’s time for higher-denomination ...