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LMIRA: Load-Balanced Multi-Indicator Reputation and Authentication Security Blockchain Framework for Cross-Domain Vehicular Data Sharing
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Summary
The paper proposes LMIRA, a blockchain-based framework for cross-domain vehicular data sharing that addresses blockchain load imbalance, unreliable shared information and inefficient authentication across Road Side Unit domains. It uses a Transformer model on edge computing to predict transaction arrival rate and block size, a multi-indicator method to assess shared vehicle information quality, and a cross-domain authentication method. Experiments on Hyperledger Fabric and Sumo, plus a Raspberry Pi 4B prototype, report throughput at least 3.6 times higher than existing solutions, latency below 0.6 seconds, and a transaction submission failure rate at least 43.2% lower.