Two-Factor Authentication

byPaytm Editorial TeamLast Updated: August 19, 2025

Meaning

Two-Factor Authentication (2FA) is a security process that requires two verification steps to complete a transaction.

How It Works

Along with entering a password, users need an OTP, biometric, or security PIN to confirm their identity.

Advantages

  • Extra layer of security
  • Protects against unauthorized access
  • Widely used in banking and digital payments

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