Implanting a London Oyster card transponder in a ring

Dhani Sutanto took the transponder from a London Oyster card, which is the common and widespread underground and bus card and implanted it in a ring. The Oyster card stores a value card used to pay for rides on public underground and buses. The Oyster card is based on a RFID-based value card. By implanting this chip into a nice ring Dhani Sutanto shows how daily used electronics can disappear in a fancy piece of jewelry.

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