Welcome to the resource topic for 2024/259
Title:
Anonymity on Byzantine-Resilient Decentralized Computing
Authors: Kehao Ma, Minghui Xu, Yihao Guo, Lukai Cui, Shiping Ni, Shan Zhang, Weibing Wang, Haiyong Yang, Xiuzhen Cheng
Abstract:In recent years, decentralized computing has gained popularity in various domains such as decentralized learning, financial services and the Industrial Internet of Things. As identity privacy becomes increasingly important in the era of big data, safeguarding user identity privacy while ensuring the security of decentralized computing systems has become a critical challenge. To address this issue, we propose ADC (Anonymous Decentralized Computing) to achieve anonymity in decentralized computing. In ADC, the entire network of users can vote to trace and revoke malicious nodes. Furthermore, ADC possesses excellent Sybil-resistance and Byzantine fault tolerance, enhancing the security of the system and increasing user trust in the decentralized computing system. To decentralize the system, we propose a practical blockchain-based decentralized group signature scheme called Group Contract. We construct the entire decentralized system based on Group Contract, which does not require the participation of a trusted authority to guarantee the above functions. Finally, we conduct rigorous privacy and security analysis and performance evaluation to demonstrate the security and practicality of ADC for decentralized computing with only a minor additional time overhead.
ePrint: https://eprint.iacr.org/2024/259
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