Blockchain Accident Data Management for SDVs
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Solution Overview
Problem
Current systems lack effective management and tracking of data related to vehicle accidents involving self-driving vehicles (SDVs) and human-operated vehicles, which is crucial for accountability, transparency, and settlement processes.
Innovation Solution
A blockchain-based system is implemented to securely track and manage accident-related data across a distributed network of computing nodes, using a secure chain of data blocks that represent transactions associated with vehicles, allowing for real-time updates and validation of accident data, including parameters like speed, geolocation, and sensor information.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a centralized system is used to manage accident data, then data management is simpler, but data integrity and trust are compromised
Solution Approach 1:
The system segments the centralized data management into a distributed network of computing nodes, where each node maintains copies of the accident data. This segmentation eliminates the single point of failure and trust issue in centralized systems while maintaining data integrity through cryptographic hashing and consensus mechanisms across the distributed network.
Solution Approach 2:
The patent introduces blockchain technology as an intermediary layer between vehicles and the data management system. This intermediary provides trust and verification without requiring a central authority, using cryptographic protocols and distributed consensus to ensure data integrity while managing the complexity of distributed systems.
2Productivity
If real-time tracking of accident data is implemented, then settlement efficiency improves, but data security risks increase
Solution Approach 1:
The system creates cryptographic copies of accident data across multiple computing nodes in the distributed network. Each node holds an identical copy verified through hash functions, enabling real-time access and settlement processing while maintaining security through cryptographic verification rather than centralized control.
Solution Approach 2:
The patent transforms the security model by changing parameters from centralized access control to distributed cryptographic verification. Data is secured not through centralized authentication but through cryptographic hashing, digital signatures, and consensus protocols that enable real-time access without centralizing security risks.
3Loss of information
If a distributed network is used to maintain data blocks, then data transparency is improved, but system operation complexity increases
Solution Approach 1:
The patent merges the functions of multiple computing nodes into a unified distributed ledger system. All nodes collectively maintain the accident data with identical transparency, while the blockchain protocol combines their operations into a coordinated system that appears simple to external users despite the underlying distributed complexity.
Data Source
AI summary
A secure chain of data blocks is maintained at a given computing node. The given computing node is part of a set of computing nodes in a distributed network of computing nodes wherein each of the set of computing nodes maintains the secure chain of data blocks. The secure chain of data blocks maintained at each computing node comprises one or more data blocks that represent one or more accident related transactions associated with a vehicle. In response to a risk assessment operation, one or more data blocks are added to the secure chain of data blocks maintained at the given computing node.