I keep reading about the "Death of cash" while checking out faster with my wad of bills than the annoyed people with their seldom-working chip and pin. I think

I keep reading about the "Death of cash" while checking out faster with my wad of bills than the annoyed people with their seldom-working chip and pin. I think "cashless", like "driverless" is a utopian/dystopian dream. There will always be need for an offline and reliable as rock trading system. Pennies however...