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RFID Kryptonite

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  • Brave New Dawn
    Found this at: http://www.supplychainreview.com.au/index.cfm?li=displaystory&StoryID=25767 You may want to consider this in preserving your privacy, and your
    Message 1 of 1 , Oct 1, 2009
      Found this at:

      You may want to consider this in preserving your privacy, and your humanity,
      from prying governments, companies and other predators that have no business
      screwing into your life.

      *RFID Kryptonite

      *Two students have turned a disposable camera into a gadget that literally
      shocks the power out of RFID tags.

      The pair behind the "RFID-Zapper", Tim and Chris (who don't reveal their
      last names online), say the gadget is designed to deactivate (destroy)
      passive RFID-Tags permanently.

      Goals are a proof-of-concept and the construction of at least one
      functioning and appealing prototype, as well as a documentation of the
      project. The pair plan to publish the instructions for build online, "so
      that everyone can build an own RFID-Zapper".

      "We have to expect to be surrounded by RFID-Tags almost everywhere within
      the near future, and they will serve many different purposes," write Tim and
      Chris online.

      "The benefits and risks of this technology and its use are already being

      "However, there will be atempts to use RFID-Tags to establish constant
      surveiliance and to further threaten and compromise the privacy of customers
      (and citizens and even non-citizens, when [governments] start to use
      RFID-Tags like the German [government] already did).

      "To defend yourself against such measures, you might want a small, simple
      and relatively appealing gadget to permanently deactivate RFID-Tags around
      you, e.g., to deactivate RFID-Tags in recently bought clothes or books
      without damaging those [items]."

      *How does it work?*
      There are several ways to deactivate RFID-Tags, including RFID-deactivators,
      which send the RFID-Tag to sleep.

      "A problem with this method is, that it is not permanent, the RFID-Tag can
      be reactivated," write Tim and Chris.

      "Several ways of permanently deactivating RFID-Tags are know, e.g., cutting
      off the antenna from the actual microchip or overloading and literally
      frying the RFID-Tag in a common microwave-oven, which needs to be turned on
      only for a short period of time.

      "Unfortunately both methods aren't suitable for the destruction of RFID-Tags
      in clothes: cutting off the antenna would require to damage the piece of
      cloth, while frying the chips is likely to cause a small but potent flame,
      which would damage most textiles or even set them on fire."

      The RFID-Zapper copies the microwave-oven-method, but on a much smaller

      The duo modified the electric component of a singe-use-camera with flash,
      readily available in most retail outlets, to "keep the costs of the
      RFID-Zapper as low as possible".

      The coil is made from coated copper wire and placed inside the camera where
      the film normally lies.

      "Then one end of the coil is soldered to the camera's capacitor, from which
      we earlier disconnected the flash," Tim and Chris write.

      "The other end of the coil is soldered to a switch, which itself is
      connected to the capacitor's other terminal. Once everything is tested, the
      camera can be closed again and henceforth will serve as a RFID-Zapper,
      destroying RFID-Tags with the power of ordinary batteries."

      The zapper generates a strong electromagnetic field with a coil, which,
      claim the inventors, should be placed as near to the target RFID-Tag as

      The RFID-Tag then will receive a strong shock of energy comparable with an
      EMP and some part of it will blow, thus deactivating the chip forever.

      Until now the pair have only had access to 13.56 MHz RFID tags, but hope to
      be able to test the RFID-Zapper on other tags soon.

      A German privacy advocacy group � FoeBuD <http://www.foebud.org/rfid/en> �
      plans to manufacture and sell a device that consumers could used to disable
      RFID tags permanently. FoeBuD says it wants to manufacture the RFID-Zapper
      and sell it at its online store. The group met with a hardware developer
      last week, but says it has no timescale for production or product price

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