One-time passwords (OTPs), the default second factor of authentication, have been prone to delivery issues, often leading to transaction failures, said industry executives.Passkeys and “We expect biometric-based payment authentication to improve transaction rates,” said Girish Krishnan, director, payments rewards and merchant services at He added that even for Unified Payments Interface (UPI) users inputting a wrong personal identification number (PIN) is very common, which can be addressed through biometri ...