The present disclosure relates to a method and a system for facilitating payment transactions in offline mode. The system comprises a mobile device associated with user, a POS terminal, and a server. At first, the user provides details of mobile number at the POS terminal which is forwarded to the server as a message. The server creates a unique ID based on the mobile number and provides the unique ID to the POS terminal. At the POS terminal, the user provides password which is set during registration of user with the server using which another unique ID is generated by an application in the mobile device. Once both unique ID’s match, a secure connection is set up between the POS terminal and the mobile device for facilitating the payment transactions. The present disclosure overcomes need for NFC feature for performing offline payment transaction at a POS terminal and establishes secure WiFi connection between the POS terminal and the mobile device for the payment transaction processing.
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RAMACHANDRAN, MOHANKUMAR, "METHOD AND SYSTEM FOR FACILITATING PAYMENT TRANSACTIONS IN OFFLINE MODE", Technical Disclosure Commons, (November 06, 2020)