Proxy Financial Card Rule-Based Issuer Selection
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Solution Overview
Problem
Consumers face complexity in selecting the appropriate payment method among multiple cards due to lack of awareness about account balances and incentives, leading to potential misuse or missed discounts during transactions.
Innovation Solution
A method and system utilizing a proxy financial card associated with multiple accounts, which uses near-field communication to transmit transaction information to a trusted service manager, accessing a database to determine a rule set for selecting the optimal financial issuer based on user preferences and transaction details, and authenticating the transaction to ensure secure and rewarding payment processes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a consumer uses multiple payment cards manually, then they can access different account balances and incentives, but the complexity of selecting the appropriate payment method increases
Solution Approach 1:
The system automatically selects the optimal payment card by evaluating account balances, incentives, and transaction details without requiring manual consumer intervention. The processor autonomously determines which card to use based on predefined criteria and real-time data, eliminating the complexity of manual selection while maintaining adaptability across different payment scenarios
Solution Approach 2:
A trusted service manager acts as an intermediary between the consumer and multiple financial issuers. This intermediary receives transaction requests, queries account information from multiple sources, applies rule sets for card selection, and coordinates the authorization process, thereby simplifying the overall transaction complexity while enabling versatile payment options
2Loss of information
If real-time account balance checking is implemented for multiple cards, then informed payment decisions can be made, but the transaction processing time increases
Solution Approach 1:
Account balance and incentive information is retrieved and cached in advance before the actual transaction occurs. The system proactively queries financial issuers for account status and stores this data for rapid retrieval during checkout, eliminating the need for real-time delays during the payment process while maintaining up-to-date information
Solution Approach 2:
The system replaces sequential mechanical checking of multiple cards with a parallel information retrieval architecture. Multiple account queries are initiated simultaneously, and results are aggregated and processed through automated rule-based selection, significantly reducing the time required compared to sequential balance checking while providing comprehensive account information
3Productivity
If automated card selection based on rule sets is implemented, then optimal payment methods can be selected, but the system complexity increases
Solution Approach 1:
The system manages complexity by dynamically adjusting evaluation parameters and rule weights based on transaction context rather than maintaining a fixed complex rule structure. The processor modifies which account attributes are prioritized (e.g., rewards vs. fees vs. balance) depending on the specific transaction type and amount, achieving optimization through flexible parameter adjustment rather than rigid system complexity
Solution Approach 2:
The automated selection system is divided into modular components: a rule set manager that handles configuration, a processor that applies rules to specific transactions, and a trusted service manager that coordinates with financial issuers. This segmentation allows each component to remain relatively simple while the integrated system provides comprehensive optimization capabilities
4Adaptability or versatility
If multiple financial issuers are integrated into a single payment system, then payment options are expanded, but the authentication and security requirements increase
Solution Approach 1:
The trusted service manager implements a universal authentication framework that handles multiple financial issuers through a single standardized interface. This multi-functional system performs card selection, authorization coordination, and security verification across different issuers using consistent protocols, thereby expanding payment options while maintaining uniform security standards rather than requiring separate authentication systems for each issuer
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
Facilitates easy and secure selection of the best payment method based on user-defined rules, maximizing rewards and minimizing fees, while reducing fraud through location authentication and rotating PINs, thus enhancing the user experience and protecting financial issuers from fraudulent activities.
Implementation Method 1
uses near-field communication to transmit transaction information to a trusted service manager
Data Source
AI summary
A method of completing a financial transaction after a point-of-sale terminal initiates a payment request and sends financial transaction information includes receiving financial transaction information from a point-of-sale terminal, the financial transaction information being associated with a transaction and identifying an individual that initiated the transaction. The method further includes accessing a database to determine a rule set associated with the individual, applying the rule set to the financial transaction information, and selecting a financial issuer based on the applied rule set.