Abstract
Secure multi-party computation (SMPC) is a hot topic in the field of cryptography. It focuses on finishing computation tasks without revealing users’ inputs and outputs in decentralized scenarios. Although many researches have been conducted to perform SMPC protocols, it is hard to obtain fairness while most participants in SMPC are dishonest. Recently, the foundation of cryptocurrency, blockchain has attracted the attention of many scholars. Since blockchain’s ability to provide security and incentives, researchers start to make use of blockchain to provide fairness in SMPC protocols and increase efficiency. In this paper, we present a brief survey on how to use blockchain technology to perform SMPC protocol. We start by introducing the concept of secure computation and its security requirements. Then, we explain how we can utilize blockchain to provide fairness and present the basic model. We summarize state-of-the-art blockchain based SMPC applications and conclude this paper.
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Acknowledgements
This work was supported by the National Key Research and Development Program of China (No. 2017YFB0203201), the Science and Technology Program of Guangdong Province, China (No. 2017A010101039), and the Science and Technology Program of Guangzhou, China (No. 201904010209).
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Zhong, H., Sang, Y., Zhang, Y., Xi, Z. (2020). Secure Multi-Party Computation on Blockchain: An Overview. In: Shen, H., Sang, Y. (eds) Parallel Architectures, Algorithms and Programming. PAAP 2019. Communications in Computer and Information Science, vol 1163. Springer, Singapore. https://doi.org/10.1007/978-981-15-2767-8_40
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DOI: https://doi.org/10.1007/978-981-15-2767-8_40
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