I actually recently realized that my local pharmacy chain (in WA) had that "wave" NFC icon on screen, so I decided to try tapping my credit card. To my surprise, it worked without a hitch, so now i consciously try to spot those. Quite a few places have those now, but they all seem to also support Apple Pay, so it makes more sense to use that for reliability (because all the ones supporting a card tap also support Apple Pay, but the reverse doesn't seem to be true).