I only have two payment cards, that I carry around, one of which I know the "chip and pin " number, one of which I have forgotten, annoyingly.
This has of course, just caused my card to be blocked.
This is not a serious problem to myself, but to many older people, this must be causing a dreadful problem, and what I think will happen for the next couple of years, due to this new increase of technologically, will be the use of a new fangled idea, which will be called "The Cheque Book".
The only problem being with, (and lets call it CB), is that when you sign (the CB), you then have to use "chip and pin", to guarantee the cheque.
Hmmmmmmm back to the drawing board....