Secure on line payment is done by few ways during checking out process.
We have Cashbill, PayPal and Tpay operators.
CashBill is polish secure payment platform connected to most of the polish banks.
Tpay.com is second polish secure payment platform with very high speed transfers.
PayPal is famous and reliable international secure payment system. It's only requesting email address of seller.
PayPal is cooperating also with Visa and Mastercard systems.