> Michael Motyka[SMTP:[EMAIL PROTECTED]] > > > Tim May <[EMAIL PROTECTED]> > > > >On Tuesday, April 9, 2002, at 10:54 AM, Trei, Peter wrote: > >> Putting RF Tags in cash is one of those ideas with Unintended > >> Consequences. > >> Muggers would love having a way of determining which victims are > >> carrying a > >> wad, as would many salesmen (and JBTs looking to perform a 'civil > >> confiscation' on 'a sum of currency'.) [...] > > > >Further, placing the notes in a simple aluminum foil pouch, or a wallet > >with equivalent lining, would cut any detectable signals by maybe 30-50 > >dB. > > > > > Not to mention that if you didn't want your money chirping its presence > every time a bad actor pinged it you could just disable the transponder > in the money : > > mechanical pressure or repeated bending > high voltage > high power RF > heat > > For paper money failure rates will probably be high anyway. > > Perhaps, perhaps not. Remember, the primary app for this is anti-counterfeiting.
"Sir: ALL your $20 bills are failing authentication. Please wait while I call Security." Peter