Nice ! I think this is a great step forward, in terms of security measures. They might not have really great usage / or tracking methods right now ... but couple of years ahead, when people are using these RFID'ed notes everywhere, it'll be easy to impliment tools that'll stop counterfieting altogether. Just scan the note in some kind of a note-reader, and see if its real/counterfited. (ofcourse, old notes wont work this wayDakkus wrote: Actually the new 20$ note has an RFID chip in it
Slashdot referred to an article about this a while ago.
The same microwave oven testing works also for that note.

As it is the notes have lots of security features, this one adds icing on the cake (and might break your oven

- Keeron.