Implementations
The specifications are currently at version 1.0.2. Previous versions 0.7 (only used by Visa USA) and 1.0.1 have become redundant and are no longer supported. MasterCard and JCB have adopted version 1.0.2 of the protocol only.
In order for a Visa or MasterCard member bank to use the service, the bank has to operate compliant software that supports the latest protocol specifications. Once compliant software is installed, the member bank will perform product integration testing with the payment system server before it rolls out the system.
Read more about this topic: 3-D Secure
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