Glossary23 min read
What Is 3D Secure? Cardholder Authentication for Online Payments
If you're asking **what 3D Secure is**, the short answer is simple: it adds a cardholder-authentication layer to online card payments, designed to verify identity before authorization. For platform teams, the real question is not whether 3DS exists, but whether your implementation protects revenue and customer data without adding avoidable checkout friction.
3d securecardholder authenticationonline payments+2 more
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