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Crashchain 🚗

A blockchain-integrated vehicular forensic investigation tool designed to capture and verify crash data securely. The system provides tamper-proof vehicle accident data verification and storage using blockchain technology.

Features

  • Real-time OBD (On-Board Diagnostics) data collection
  • Secure crash footage storage and verification
  • Blockchain-based data integrity verification
  • User-friendly investigation dashboard
  • PDF report generation
  • Anomaly detection system
  • Smart contract integration for data storage

Technical Stack

Backend

  • Node.js
  • Web3.js
  • Truffle Framework
  • PDFKit for report generation
  • Axios for API communications

Blockchain

  • Ethereum Smart Contracts
  • CrashMetadataStorage Contract
  • Truffle for deployment and testing

Security

  • Environment-based configuration
  • Secure file handling

Data Structure

The system captures comprehensive crash data including:

  • Vehicle Identification Number (VIN)
  • Timestamp
  • Location data
  • Vehicle dynamics (speed, RPM, etc.)
  • Video footage
  • Crash event details

Setup

  1. Clone the repository
  2. Install dependencies:
npm install
  1. Deploy smart contracts:
truffle migrate
  1. Configure environment variables:
  • CONTRACT_ADDRESS in .env
  • Other necessary environment configs
  1. Start the server:
npm start

API Endpoints

  • Crash Report Submission
  • Data Verification
  • Report Generation
  • Anomaly Detection

Security Considerations

  • All crash data is verified on the blockchain
  • Secure file storage and handling
  • Data integrity checks

License

MIT License

Contact

For questions and support, please open an issue in the repository.