GK Question

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Which feature in UPI transactions adds an extra layer of security by requiring user approval for each payment?

  1. MPIN
  2. OTP
  3. Biometric authentication
  4. All of these

Answer: All of these

UPI security: MPIN for app access, OTP for transaction verification, biometric (fingerprint/face) for device unlock. Multi-factor authentication minimizes fraud risks. [[NPCI, RBI Guidelines]]

Topic Technology - Digital Payments Security
Exam Relevance Banking PO/Clerk, SSC CHSL, Railway Group C
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