Payment Card Proximity Authentication for Mobile Transactions
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Solution Overview
Problem
Existing financial transaction systems face challenges in authenticating transactions when a physical payment card is not used or interfaced with a transaction terminal, requiring additional authentication steps such as unlocking mobile devices or entering PINs, which can be cumbersome.
Innovation Solution
A financial institution computing system that utilizes payment card location information to authenticate transactions by determining if a payment card is within a threshold distance of a user's mobile device, leveraging near-field communication technologies to ensure the card is in the user's possession, even if it's not used for payment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If additional authentication steps (unlocking mobile device, entering PIN) are required for mobile wallet transactions, then transaction security is improved, but operation convenience deteriorates
Solution Approach 1:
The system performs preliminary authentication by detecting the payment card's presence and location before the transaction occurs. The mobile device automatically verifies whether the payment card is within a threshold distance through near-field communication, establishing authentication context in advance so that no additional manual authentication steps are needed during the actual transaction.
Solution Approach 2:
The mobile device autonomously performs the authentication function by detecting the payment card's presence through near-field communication capabilities built into the device. The system self-verifies the card location and determines authentication status without requiring user intervention, thereby maintaining security while improving convenience.
2Measurement precision
If payment card location detection is implemented using near-field communication, then authentication accuracy is improved, but device complexity increases
Solution Approach 1:
The mobile device utilizes its existing near-field communication capabilities for multiple purposes: both for mobile wallet transactions and for detecting the presence of physical payment cards. This multi-functional approach allows the device to perform location detection without adding dedicated hardware, as the same NFC/RFID technology serves dual authentication and detection functions.
Data Source
AI summary
A financial institution computing system includes a network circuit exchanging information over a network, a customer database storing financial information, and a transaction circuit. The transaction circuit receives a transaction request associated with a user computing device. The transaction request specifies a financial account. The transaction circuit receives payment card location information indicative of a location of a payment card with respect to the user computing device. The payment card location information indicates that the payment card is within a threshold distance of the user computing device. The transaction circuit authenticates the transaction request using the payment card location information and by determining whether the payment card is associated with an authorized user of the financial account. The transaction circuit authorizes the transaction request based on whether the transaction request is authenticated and transmits a confirmation to a transaction terminal over the network via the network circuit.