If someone tries to peel the tag off and restick it to something else, they’ll mess up that very specific arrangement of metal particles in the glue, returning the wrong ID when it’s later scanned.

A cryptographic tag uses terahertz waves to authenticate items by recognizing the unique pattern of microscopic metal particles that are mixed into the glue that sticks the tag to the item's surface.

Unlike traditional RFID tags, which are known for their size, cost, and susceptibility to counterfeiting, MIT stated in its press release that this innovative cryptographic chip utilizes terahertz ...

RSI ID Technologies’ announced this morning its new tamper-evident RFID tags feature special components and properties, which provide the tags with their unique characteristics. The manufacturer of ...

The anti-tampering tag is about 4 square millimetres in size. (Image: news.mit.edu) Tiny, Tamper-proof ID Tag: Massachusetts Institute of Technology (MIT) engineers in the USA have developed a unique ...

After passing through the tag and striking the object’s surface, terahertz waves are reflected, or backscattered, to a receiver for authentication. A few years ago, MIT researchers invented a ...

(Nanowerk News) A few years ago, MIT researchers invented a cryptographic ID tag that is several times smaller and significantly cheaper than the traditional radio frequency tags (RFIDs) that are ...