I don't know how things work in the USA or the UK, but paywave down here in OZ is very simple: If the transaction is sub-AU$100, simply bonk/wave your card and move on. If it's over that amount, the system will ask for your pin for confirmation.
I don't know how things work in the USA or the UK, but paywave down here in OZ is very simple: If the transaction is sub-AU$100, simply bonk/wave your card and move on. If it's over that amount, the system will ask for your pin for confirmation.