RFID & the loss of your Privacy
'Powder' - World's Smallest RFID Tag
The world's smallest and thinnest RFID tags were introduced yesterday by
Hitachi. Tiny miracles of miniaturization, these RFID chips (Radio Frequency IDentification
chips) measure just 0.05 x 0.05 millimeters.
The previous record-holder, the Hitachi mu-chip, is just 0.4 x 0.4 millimeters. Take a look at the size of the mu-chip RFID tag on a human fingertip.
The new RFID chips have a
128-bit ROM for storing a unique 38 digit number, like their predecessor.
Hitachi used semiconductor miniaturization technology and electron beams to
write data on the chip substrates to achieve the new, smaller size.
Hitachi's mu-chips are already in production; they were used to prevent ticket forgery at last year's Aichi international technology exposition. RFID 'powder,' on the other hand, is so much smaller that it can easily be incorporated into thin paper, like that used in paper currency and gift certificates.
These devices could also be used to identify and track people. For example, suppose you participated in some sort of protest or other organized activity. If police agencies sprinkled these tags around, every individual could be tracked and later identified at leisure, with powerful enough tag scanners.
Take a look at these earlier stories related to RFID, and consider how much easier it will be with tinier chips: RFID Sensor Tag Shower For Disasters (gentle rain of RFID), RFID-Maki: Easy Payment Sushi (just tag the sushi directly, then scan customer's stomach [no joke, see digestible tags]) and VeriChip Chairman Proposes RFID Chips For Immigrants (just dust the border).
How RFID is already being used