Contactless Payment Card Gesture Authentication With Visual Feedback
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Solution Overview
Problem
Contactless payment systems lack robust security measures to prevent unauthorized transactions and provide user feedback on transaction attempts, leading to potential misuse and inconvenience.
Innovation Solution
A contactless payment instrument equipped with a sensor to capture user gestures, a processor to compare these gestures with predefined ones, and a visual output component to provide feedback, along with a counter and communication protocol to manage transaction attempts and status updates.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If contactless payment instruments are used to enable fast and convenient transactions, then transaction speed and user convenience are improved, but security against unauthorized transactions deteriorates
Solution Approach 1:
The system performs preliminary gesture recognition and authentication before allowing the contactless payment transaction to proceed. The payment instrument must first perform a predefined gesture (such as waving, shaking, or tapping) to authenticate the user, and only after successful gesture verification does the system authorize the payment transaction. This preliminary action ensures that even though the payment instrument remains in the user's hand during contactless transactions, unauthorized transactions are prevented by requiring deliberate gesture confirmation.
2Reliability
If gesture recognition features are added to payment instruments to enhance security, then security against unauthorized transactions is improved, but device complexity increases
Solution Approach 1:
The payment instrument integrates multiple functions into a single device: it combines the traditional contactless payment chip with gesture recognition capabilities, visual output components for user feedback, and communication protocols for transaction management. By making the payment instrument multi-functional, the system enhances security through gesture recognition without requiring separate security devices, thereby managing device complexity while improving security.
3Ease of operation
If visual output components are added to provide user feedback on transaction attempts, then user experience is improved, but device complexity increases
Solution Approach 1:
The system incorporates visual output components (such as LEDs or display elements) that provide immediate feedback to the user during the transaction process. When a user performs a gesture, the visual component indicates whether the gesture was recognized successfully or if there was an error. This feedback mechanism improves ease of operation by keeping the user informed of the transaction status, while the integration into the existing payment instrument structure minimizes the increase in device complexity.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enhances security by preventing unauthorized transactions through gesture recognition and provides user feedback, improving the user experience by reducing errors and enhancing transaction control.
Implementation Method 1
detecting, with a contactless chip of the payment instrument, an operating field of an access device
Implementation Method 2
capturing, with a sensor of the payment instrument, further gesture data associated with one or more gestures made by a user with the payment instrument
Data Source
AI summary
A payment instrument may include a memory, a contactless chip, a sensor, a visual output component, and/or a processor. The memory may store gesture data associated with one or more predefined gestures. The contactless chip may detect an operating field of an access device and establish a communication with the access device through a near-field communication protocol. The sensor may capture further gesture data associated with a gesture made by a user with the payment instrument in the operating field of the access device. The visual output component may provide a visual output to the user. The processor may compare the further gesture data to the gesture data to determine whether a captured gesture matches a predefined gesture, and in response to the captured gesture not matching a predefined gesture, increment a counter. The processor may control, based on a current count of the counter, the visual output component.