3D verification is a free service provided by credit card organizations for customers to make online purchases safely. When making online purchases, cardholders must enter the personal password preset for account opening to avoid credit card theft, just like entering a password when using an ATM. In addition, when the cardholder registers for verification, a personal confirmation information needs to be set. Thereafter, the cardholder can check this personal confirmation information each time they make an online payment to ensure that the correct 3D verification service is being used. Cardholders can directly call their card-issuing bank to request to add this service, or log on to the card-issuing bank's official website to set it up. Visa is called Verified By Visa (VBV), and MasterCard is called MasterCard Secure Code (MSC). In fact, it is a password/question verification provided for cardholders in an online shopping environment to ensure that the cardholder himself is using the card.

The credit card channel that uses 3D verification is called a 3D channel, which means that customers need to perform 3D verification when making purchases on the website. It may be a mobile phone verification code or other identity information reserved in the bank. If the verification fails, the payment will be made. fail. Asiabill's international credit card acquirer supports 3D verification.