There's almost a whole formal exchange with cash in Japan, even the way the cashier counts your change is very deliberate (didn't notice this until I saw a Japa

There's almost a whole formal exchange with cash in Japan, even the way the cashier counts your change is very deliberate (didn't notice this until I saw a Japanese person do this in the US). I've heard China also has some issues with credit cards, but has more to do with trust issues.