Offline Cryptocurrency Transactions in Aircraft via Local Blockchain Nodes
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Solution Overview
Problem
Current in-vehicle transaction systems, such as those in passenger aircraft, require constant Internet connectivity for real-time payment confirmations, especially for larger amounts, and lack the capability for secure offline transactions, which is inefficient and costly.
Innovation Solution
Implementing a cryptocurrency transaction system using blockchain technology with local nodes on the vehicle to facilitate secure and verifiable transactions, eliminating the need for immediate Internet access by utilizing digital wallets and a distributed ledger system, allowing transactions to be validated locally and synchronized with the ground server upon reconnection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If real-time payment confirmation via centralized server is used, then transaction security and fund verification are improved, but constant Internet connectivity is required which increases operational complexity and costs
Solution Approach 1:
The system divides the transaction validation process into two segments: local validation using a distributed ledger stored on the aircraft, and remote validation via centralized server. This segmentation allows transactions to be validated locally without requiring constant internet connectivity, while still maintaining security through periodic synchronization with the centralized server.
Solution Approach 2:
The distributed ledger is pre-loaded with transaction rules, validation criteria, and cryptographic verification mechanisms before the aircraft enters areas with limited or no connectivity. This preliminary preparation enables the system to perform secure transaction validation independently without requiring real-time external connectivity.
2Ease of operation
If credit card or NFC readers are built into each seat display unit, then passenger payment convenience is improved, but space and weight requirements of the SDU increase
Solution Approach 1:
The existing seat display unit infrastructure is made multi-functional by enabling it to process cryptocurrency transactions through software integration rather than requiring dedicated hardware readers. The SDU leverages its existing display and communication capabilities to facilitate payments, eliminating the need for additional physical components.
Solution Approach 2:
The system replaces physical credit card readers and NFC hardware with a software-based cryptocurrency processing system. Transactions are handled through digital wallet integration and blockchain verification algorithms, eliminating the need for mechanical reading devices and reducing SDU weight.
3Adaptability or versatility
If offline transaction capability is implemented, then operational flexibility and cost reduction are improved, but transaction verification and fraud prevention become more challenging
Solution Approach 1:
The system adds a temporal dimension to transaction verification by allowing validation to occur locally in the present moment using stored blockchain data, while maintaining the ability to synchronize with the centralized server in the future. This dimensional approach enables offline operation without sacrificing verification reliability, as the distributed ledger provides continuous validation capability independent of real-time connectivity.
Data Source
AI summary
Transaction systems and methods are described for verifying transactions in a vehicle. The transactions utilize blockchains of a cryptocurrency to allow for verification of a transaction even where a live Internet connection is unavailable. The systems and methods utilize a digital wallet stored in the vehicle that allows for transactions with a passenger having a passenger digital wallet. A plurality of local nodes disposed in the vehicle store a local and updated copy of the blockchain to allow for verification of the cryptocurrency transactions even during periods of intermittent internet connectivity.