Vehicle Blockchain Data Management for Security
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Solution Overview
Problem
Conventional information management systems for vehicles face challenges in preventing unauthorized rewriting of data due to their centralized configuration, which makes them vulnerable to data tampering.
Innovation Solution
Implementing a blockchain-based system where each vehicle records and manages transactions using a communication unit connected to the internet, with a processor and storage unit to generate and record information in a blockchain format, including transaction data and hash values, ensuring secure and reliable data storage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a centralized server system is used to manage vehicle information, then data management efficiency is improved, but security against unauthorized rewriting deteriorates
Solution Approach 1:
The patent divides the centralized data management system into distributed nodes (vehicles, servers, terminals) that each maintain their own copy of the blockchain. This segmentation eliminates the single point of failure in centralized systems while maintaining coordination through the distributed ledger structure, where each node independently validates and stores transaction data.
Solution Approach 2:
The blockchain acts as an intermediary layer between the centralized server and individual vehicles/terminals. It provides a neutral, immutable record-keeping mechanism that allows parties to transact and share information without relying on a single trusted central authority, thus improving security while maintaining management efficiency.
2Reliability
If blockchain technology is implemented in each vehicle, then data security is improved, but system complexity increases
Solution Approach 1:
The patent combines the blockchain functionality with existing vehicle telematics systems and communication units. Rather than implementing blockchain as a completely separate system, it integrates the distributed ledger technology with the vehicle's existing data acquisition and communication capabilities, reducing overall system complexity while maintaining security benefits.
3Reliability
If all blocks in the blockchain must be rewritten to alter data, then data integrity is improved, but processing time increases
Solution Approach 1:
The blockchain structure preemptively prevents data alteration by design - each block contains cryptographic hashes of previous blocks, creating a chain where any modification would require rewriting all subsequent blocks. This preliminary structural constraint eliminates the need for time-consuming detection and correction processes, as the system is designed to prevent unauthorized changes before they can occur.
Data Source
AI summary
An information management system, in which each of a plurality of vehicles is configured to record information using a block chain. Each of the plurality of vehicles includes: a communication unit including an antenna and configured to be connectable to an internet through the antenna; a storage unit configured to store the information in a form of the block chain; and a processor and a memory coupled to the processor. The processor is configured to perform: recording the information in the storage unit.