An article on RFID chips on the Register points to this article about a new, very small RFID chip by Hitachi. [Damn, that Hitachi chip is tiny].

The Hitachi article says: “The [128-bit unique] number is written to the chip during the silicon fabrication process and cannot be changed.”

Me: Wanna bet? If there’s money in modifing the ID that an RFID chip broadcasts, people are going to develop the cabability. Just because something is small and burned-in at the factory does not mean that it’s secure. So once these chips are everywhere, and perhaps mandated in legal documents as the Reg article predict [a kind of high-tech stamp tax], expect new forms of fraud to develop around the implicit trust of RFID chips.

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