In the UK at least, PIN-challenges for contactless payment are random. I've heard it's supposedly approx 1 in 10 payments require the PIN, but I've been using c

In the UK at least, PIN-challenges for contactless payment are random. I've heard it's supposedly approx 1 in 10 payments require the PIN, but I've been using contactless payment for just over 6 months, and it hasn't asked once (I've also used it a few times in mainland Europe, again, no PIN needed).