The Payment System is the online-service for remittance of money or any other units used instead of money, e.g., bonus points, exchange items, etc. This service has the special software and hardware for safe, smooth and trouble-free operation. The payment system is working under specific rules and conditions that determine principles and schemes of money transfer.
When a customer A pays to a customer B via the payment system, actually, he/she informs the payment system that he/she owes the definite sum of money to the customer B. The payment system takes funds from the customer A's account and manage it in its direction. As fo customer B, the payment system transfers money to his/her account from the system resources.