Actually, there's a TED talk where the implementers of remote, self-contained ATMs in India had to modify their procedures and deliberately rough up and age the

Actually, there's a TED talk where the implementers of remote, self-contained ATMs in India had to modify their procedures and deliberately rough up and age their paper money. Otherwise, people didn't believe that the crisp, perfect paper money that came out of those remote ATMs was real money. If it was really ₹2000, someone would already have roughed it up already.