- Users in the trial can hold their phone up as though taking a selfie to approve transactions.
- Mastercard's app asks users to blink to prove that they are human, but even this has been spoofed in the past.
- Mastercard is exploring facial recognition as an alternative to SecureCode, its security software that asks online shoppers for a password to make purchases. The company said the technology was used in three billion transactions last year.
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