Combination Payment Card Account Routing Logic
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Solution Overview
Problem
Current financial transaction processing systems lack efficient methods to handle transactions involving prepaid cards associated with both closed-loop and open-loop accounts, particularly in determining the appropriate account to debit for purchases across different merchant types and networks.
Innovation Solution
A computer-implemented method and system that processes transaction information from point-of-sale devices by identifying whether a payment card account is associated with a combination payment card, determining if the transaction is from a closed-loop or open-loop merchant, and authorizing debits accordingly, either from the closed-loop account, open-loop account, or communicating with the sponsoring network to ensure sufficient funds for the transaction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a single payment card is used for both closed-loop and open-loop accounts, then the versatility and convenience of the card is improved, but the complexity of determining which account to debit increases
Solution Approach 1:
The payment card system is segmented into distinct account types (closed-loop and open-loop accounts) with separate processing logic. The system determines which account to debit based on the merchant type, separating the processing flow into conditional paths: closed-loop accounts are debited for closed-loop merchants, while open-loop accounts are debited for open-loop merchants. This segmentation resolves the complexity by creating clear decision boundaries.
Solution Approach 2:
The payment card is designed with multi-functionality to serve both closed-loop and open-loop purposes. A single card can be associated with multiple account types, allowing it to function at both restricted (closed-loop) and general (open-loop) merchants. This universality improves versatility while the system manages the complexity through standardized processing protocols that handle both account types uniformly.
2Reliability
If the system checks both closed-loop and open-loop account balances, then the reliability of transaction authorization is improved, but the processing time increases
Solution Approach 1:
The system performs preliminary determination of the account type and merchant classification before initiating the balance check. By pre-identifying whether the transaction should use the closed-loop or open-loop account based on the merchant identifier, the system avoids unnecessary balance checks and reduces processing time while maintaining reliability through targeted account verification.
Solution Approach 2:
The transaction processing system dynamically selects which account to debit based on real-time determination of merchant type and card association. The system adapts its processing path based on the specific transaction context, using conditional logic to route transactions to the appropriate account processing stream, thereby optimizing both reliability and processing efficiency.
3Measurement precision
If the system communicates with the sponsoring network for open-loop transactions, then the accuracy of fund verification is improved, but the complexity of the processing system increases
Solution Approach 1:
The sponsoring network serves as an intermediary that handles the complex verification of open-loop account balances and authorization. Rather than implementing complex verification logic within the payment processing system, the system uses the sponsoring network as a mediator that provides standardized verification services, thereby maintaining accuracy while reducing internal system complexity.
Solution Approach 2:
The open-loop account verification process leverages the self-service capabilities of the sponsoring network, which automatically verifies funds and authorizes transactions according to pre-established protocols. This approach transfers the complexity to the sponsoring network's existing infrastructure, allowing the payment processing system to maintain simplicity while achieving accurate verification.
Data Source
AI summary
Systems and methods for processing payment transactions using combination payment cards. The combination payment card is associated with an open-loop account and one or more closed-loop accounts. Transaction information is received from a point-of-sale device. At least one of the closed-loop and open-loop account is debited.