Multi-CBDC Payment Card Reconfiguration for Cross-Border Transactions
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Solution Overview
Problem
Existing payment instruments are typically configured to operate in a single central bank digital currency (CBDC) and require user intervention for switching between different CBDC networks, leading to inconvenience and additional fees when traveling across borders.
Innovation Solution
A payment instrument that can automatically reconfigure to operate in multiple CBDC networks by detecting location changes, generating appropriate wallet addresses, and facilitating seamless transactions without user intervention, using a system that includes a client device, a computing environment, and a network environment to manage currency conversions and authorization services.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a payment instrument is configured to operate in a single CBDC network, then it ensures secure and stable transactions, but it requires user intervention for switching between different CBDC networks
Solution Approach 1:
The payment instrument dynamically adapts its configuration based on the detected CBDC network environment. The system automatically switches between different CBDC network configurations without requiring user intervention, while maintaining secure transactions through automated authentication and authorization processes for each network.
Solution Approach 2:
The payment instrument performs self-configuration by automatically detecting the CBDC network environment and adjusting its parameters accordingly. The system autonomously manages wallet address generation, network selection, and transaction routing without requiring manual user input for each CBDC network switch.
2Ease of operation
If a payment instrument automatically reconfigures for multiple CBDC networks, then it improves ease of operation, but it increases device complexity
Solution Approach 1:
The payment instrument is designed with multi-functional capabilities to operate across multiple CBDC networks. A single device incorporates support for various CBDC network protocols, wallet address formats, and transaction standards, eliminating the need for separate payment instruments for each network while managing complexity through unified architecture.
Solution Approach 2:
The system employs a hierarchical structure where a core payment processing engine is nested within a higher-level network detection and configuration management layer. This nested architecture allows the complex multi-network functionality to be organized in manageable layers, with the inner core handling universal transaction processing and outer layers managing network-specific configurations.
3Adaptability or versatility
If a payment instrument supports multiple CBDC networks, then it improves adaptability, but it increases loss of time for configuration management
Solution Approach 1:
The payment instrument pre-configures support for multiple CBDC networks by maintaining a library of network parameters, wallet address templates, and authentication credentials for various CBDC systems. This preliminary preparation enables rapid adaptation to different networks without requiring time-consuming configuration steps when switching between CBDC environments.
Solution Approach 2:
The system continuously monitors the CBDC network environment and receives feedback about the current network context. Based on this feedback, the payment instrument automatically adjusts its configuration in real-time, selecting the appropriate network parameters and wallet addresses without manual intervention, thereby minimizing configuration management time while maintaining high adaptability.
Data Source
AI summary
Disclosed are various embodiments for a payment instrument, such as a payment card or a client device, that interfaces with multiple digital currency networks associated with different countries and territories. In one non-limiting example, the system comprises a client device that is configured to detect that the client device is outside of a first territorial area for a first digital currency for a blockchain network. An intent to execute a purchase in a second digital currency is transmitted to an authentication service. The client device is configured to receive a software update for wallet functionality associated with the second digital currency. A client application is updated with the software update for the wallet functionality associated with the second digital currency.