What is PSD2?: The PSD2 is an *EU law aimed at providing better card-payment protection, helping reduce online card fraud and making online purchases more secure for all consumers.
The last and final part of the PSD2 is the SCA, which is the Strong Customer Authentication. This began its rollout on September 19, 2019, and was enforced from December 31, 2020.
What is SCA?: SCA stands for Strong Customer Authentication and is a form of two-factor authentication (2FA) designed to make online payments more secure in the *EU and *EEA.