RFID Smart Card Authentication for Network-Independent Rewards
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Solution Overview
Problem
Payment cards lack integration of advanced functions due to security concerns and network compatibility issues, and existing customer reward programs fail to dynamically respond to customer needs, leading to inconvenience and inefficiency.
Innovation Solution
A smart card that functions as both a payment card and a customer behavior tracker, using RFID technology and blockchain for secure data storage and authentication, allowing multiple merchants to share a universal rewards program without network integration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If payment cards integrate multiple functions (reward tracking, customer behavior analysis), then customer engagement and program effectiveness improve, but security risks and system complexity increase
Solution Approach 1:
The system divides the smart card into distinct functional zones: a secure element for storing cryptographic keys and sensitive data, and a microcontroller for executing reward program logic. This segmentation isolates security-critical functions from application logic, allowing multiple functions to coexist without compromising security.
Solution Approach 2:
The patent introduces a host computer as an intermediary that manages the reward program logic and communicates with multiple merchant terminals. This intermediary handles the complexity of reward distribution and validation, allowing the smart card itself to remain relatively simple and secure while still enabling sophisticated reward programs.
2Adaptability or versatility
If merchants implement standalone reward programs, then program customization improves, but network compatibility issues and system complexity increase
Solution Approach 1:
The smart card is designed as a universal platform that can store and execute multiple reward program applets from different merchants. The card's memory and processing capabilities allow it to handle various reward schemes locally, eliminating the need for complex network integration between merchants while maintaining program customization.
Solution Approach 2:
The reward program logic is executed directly on the customer's smart card rather than requiring continuous network communication with merchant servers. This self-service approach allows the card to independently validate rewards, track visits, and manage credits, significantly reducing network integration complexity while enabling customized programs.
3Adaptability or versatility
If dynamic reward values are implemented, then customer engagement improves, but data authenticity verification complexity increases
Solution Approach 1:
The system pre-generates cryptographic key pairs and stores them in the smart card's secure element before the card is activated. This preliminary security setup enables the card to independently authenticate dynamic reward data from merchants without requiring complex verification procedures at the point of use.
Solution Approach 2:
The smart card continuously tracks customer visit data and automatically updates reward values based on predefined criteria stored on the card. This feedback mechanism allows dynamic reward adjustment without external intervention, maintaining customer engagement while simplifying authentication by relying on pre-configured validation rules.
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 customer engagement by tracking store visits and offering dynamic rewards, ensuring data authenticity, and reducing the need for multiple cards, while maintaining security and network independence.
Implementation Method 1
The smart card is provided with a radio-frequency identification (RFID) tag
Data Source
Figure 1A~1B
Figure 2
Figure 3
AI summary
A secure smart card is described. The smart card can include a processor, a memory and a transceiver. The smart card can communicate with various terminals and store a digital signature and other information on the card. Another terminal can validate the information stored on the smart card using the digital signature. In certain embodiments, the terminal can also validate the information by using a blockchain. The advanced design of the smart card obviates the need for a network connection.