When you go to the supermarket or local retailer you pay in cash as a result you have change left over, this change can sometimes you may lose it, by a mobile

摘要

An online payment system may be integrated with a means to accept and record payments via cash. The retailer deposits any change into the buyers electronic account and does not give change to the buyer in the form of cash. This obviates the need for the buyer to carry loose change with them. The system may be integrated with mobile phone platforms.