Mizter T wrote:
payment functions - Oyster along with Visa's new 'Wave and Pay' system
for payments up to £10 (a quick transaction without need for a PIN
intended as an alternative to cash).

Lovely. Install a sufficiently high gain RFID "wave and collect"
thingy to match the cards, and put it somewhere with lots of
passers-by. It'd be like sucking money out of the air...

#Paul