Obviously the Canadians are spying on the US. Why, an RFID-impregnated coin could...could...well, I sure it would be good for something.

Especially if the carrier used it to buy something, and it was then given to someone else, who lost it in a poker game to his neighbor, who....

I can't see any point to something like this! Besides, RFID reading requires fairly close proximity -- it's not like you can read it from a satellite or something.