My bank issues a PIN which is not of my choosing, and since it's a smart card to change it means actually going down to the bank to select a new PIN. I think the majority of people never do this, so it seems like a great way to counter people selecting "1234" or their birthday.
At some point I'd really like to see six to eight digit PINs, though...
At some point I'd really like to see six to eight digit PINs, though...