MUMBAI, India, July 13 -- Intellectual Property India has published a patent application (202544022299 A) filed by Mastercard International Incorporated on March 12, 2025, for Offline Two-Factor Authentication.

Inventors include Bhardwaj, Devanshu; Labdhe, Siddhesh; and Shetty, Kaushal.

The application for the patent was published on July 10, 2026, under issue no. 28/2026.

Abstract: ABSTRACT OFFLINE TWO-FACTOR AUTHENTICATION The invention relates to a computer storage device, system, and method for secure offline authentications. An authentication device receives an authentication 5 attempt from a user mobile device, decrypts an encrypted user identifier, and receives a two-factor authentication (2FA) code from a user. The device validates the authentication attempt based on the decrypted user identifier and the received 2FA code offline. The device tracks the number of validated authentication attempts and compares it to a threshold. When the number of validated 10 authentication attempts exceeds the threshold, the 2FA code is automatically shared with a second computer storage device, allowing the user to validate an authentication attempt with both devices without inputting the 2FA code. The same entity controls both the computer storage device and the second computer storage device

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