To prevent fraud, online payment systems often use methods such as 3D Secure.

When making a payment, the customer's card information is encrypted to ensure .

The payment process can vary significantly depending on the being used.

A popular online payment system is .

To complete a transaction, users typically must enter their for security.

Once the payment is authorized, the funds are then from the customer's account to the merchant's account.

Customers must provide accurate billing for the payment to be processed successfully.

Some online payment systems offer buyer in case of disputes.

Many online retailers offer customers the option to pay using a card.