Distributed Anonymity Based On the Integrated Block Chain in Vehicular Ad Hoc Network
The network overhead and multiple networks disconnection faults are the main challenges of anonymous servers implemented in VANETs. The block chain technology has been entered into the wide range of preserving privacy. The robust anonymity mechanism existence and the traceability of all transactions are the main advantages of this technology. The primary model of the block chain was able to complete the process with the anonymity stored data. In distributed models, the authentication, storage and retrieval of transactions are applied by all user’s consensus. The asymmetric cryptography, preserves the identity anonymity and aggregating transactions of different users into a block which is ready to send, preserves the path anonymity. The proposed method is aimed to ensure anonymity by mounting the block chain on VANETs. Before delivering any transaction to the block chain, the risk of user’s privacy is high. To achieve low risk, we combine the graph processing methods with Silent Period, Cloaking-Region and Dummy Node methods. The block chain simulation on VANET is driven by python and the anonymity risks are simulated with ARX. The results suggest that the block chain is stabled and the optimal risk reduction is achieved on the VANET.
Block-Chain , VANET , Security , Anonymity , Cryptography
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