What is 3D Secure 2.0?
3DS 2.0 is a system which is developed to verify card owner in a virtual environment thus providing secure payment experience. 3DS 1.0 was for browser flow, with 3DS 2.0 secure payment in mobile flow will be provided. Beside that there will be some improvements in the browser flow.
What was the problem?
3DS 1.0 does not have a mobile flow. Therefore, there is no single and certain way to provide secure payment in mobile devices. As a result, each merchant has to make their own development at their payment page to provide secure payment for mobile devices.