3D Secure
3DS 2.x cardholder authentication — frictionless vs challenge, device_info, SDK DDC, validation, and ECI values explained for beginners.
3DS 2.x cardholder authentication — frictionless vs challenge, device_info, SDK DDC, validation, and ECI values explained for beginners.
3DS Device Data Collection setup. Called by A55Pay.authentication() to initialize the 3DS fingerprinting process.
3DS challenge validation callback. Called after the payer completes the issuer's 3DS challenge to finalize authentication.