What Is The 3-D Secure Procedure And Is It Necessary?

3-D Secure is a procedure for securing credit card payments on the Internet and requires additional confirmation of identity, for example by entering a password or fingerprint. This helps to prevent the misuse of credit cards in online commerce.

If you want to store securely and easily online, you need this security method, which has been mandatory in the EU since January 1, 2021. Consumers encounter 3-D Secure under terms like "Verified by Visa" or "Mastercard Identity Check". For more information, please contact your bank or the issuer of your credit card.

You can find a detailed article on this topic on Wikipedia: 3-D Secure. There are also some clips on YouTube about how payment with 3-D Secure works: e.g. How does 3-D Secure Authentication work?