U.S. warns about Canadian spy coins - Yahoo! News: "WASHINGTON - Money talks, but can it also follow your movements?
In a U.S. government warning high on the creepiness scale, the Defense Department cautioned its American contractors over what it described as a new espionage threat: Canadian coins with tiny radio frequency transmitters hidden inside."
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Wow, that seems so, I don't know, Cold War. If it is China, they should just embed the transmitters into cellphone plastic when they are made. Or shirt buttons. Something that won't change (ha ha) hands as often as coins.
Reminds me of the nanobarcode technology for embedding tags in plastic at the time of molding, so you can fingerprint each one on a molecular scale.
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