Here’s a challenge to hackers everywhere if I’ve ever heard one–a company named Verayo claims to have created an RFID chip that’s completely unclonable thanks to a type of electronic DNA technology called Physical Unclonable Functions (PUF). Unlike basic passive RFID chips, where data can be easily copied from one chip to another, Verayo’s PUF-fy RFID chips use a series of challenge-and-response pairs to make counterfeiting nigh impossible (or so they say.)