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Consumer Authentication is also known as 3 Domain Secure, or 3D-S. It is now in version 2.0, also known as EMV 3DS. Specifc 3D Secure programs include Visa Secure (formerly Verified by Visa), MasterCard Identity Check (formerly MasterCard SecureCode), American Express SafeKey, Discover and Diner's Club ProtectBuy, and J/Secure for JCB transactions.
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