New Delhi, April 6 -- Paytm is moving a step closer to device-led payments, introducing biometric authentication for UPI transactions while extending its play into cardless ATM withdrawals.

The update allows users to approve payments, check balances, and even withdraw cash using fingerprint or Face ID, replacing the need to manually enter a UPI PIN in certain cases. The shift reflects a broader attempt to make authentication faster while keeping security anchored at the device level.

Unlike centralised biometric systems, verification happens directly on the user's smartphone. Neither the platform nor the bank stores or accesses biometric data, which remains within the device's secure environment. The UPI PIN, however, continues to remai...