It's a system that was never introduced in the US, and in fact I've never even heard of it until now. So surely one option is to remove the system altogether.
That written, I'm also surprised there's any serious talk of going cashless there. We have plenty of cash-only businesses here that preclude any serious consideration of the notion.
That written, I'm also surprised there's any serious talk of going cashless there. We have plenty of cash-only businesses here that preclude any serious consideration of the notion.