Online payment means money that will be exchanged electronically. Commonly, this involves using computer networks, the internet and digital located value systems. The online payment systems are generally e-commerce businesses permitting money transfers to be made only with the Internet. They work as a fast and secure electronic replacement for traditional methods as cheques and dollars orders. The systems carry out payment processing not merely for online vendors, auction sites, and other corporate users yet between their costumers, for which it charges a fee which is much less versus bank wire transfer equivalent.