3DS

Three-Domain Secure (3DS or 3-D Secure) is an XML-based messaging protocol that enables cardholders to authenticate themselves with their card issuer while making card-not-present (CNP) purchases online.

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Advantages:

Enhanced payment authentication provides you and your customers greater protection from fraudsters.
Liability-shift based on the result of the 3DS validation.
Drives down the per-transaction costs and increases savings.
Enhances trust and confidence for customers doing online shopping.
Simplifies the transaction flow and drives up conversion rates.