Lockcoin: a secure and privacy-preserving mix service for bitcoin anonymity

November 11, 2018 · Entered Twilight · 🏛 arXiv.org

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Authors Zijian Bao, Bin Wang, Yongxin Zhang, Qinghao Wang, Wenbo Shi arXiv ID 1811.04349 Category cs.CR: Cryptography & Security Citations 4 Venue arXiv.org Repository https://github.com/Northeastern-University-Blockchain/Lockcoin ⭐ 1 Last Checked 2 months ago

Abstract

We propose Lockcoin, a secure and privacy-preserving mix service for bitcoin anonymity. We introduce mix servers to provide mix service for user to prevent attackers linking the input address with output address by using blind signature shceme, multisignature scheme. Lockcoin provides anonymity, scalability, bitcoin compatibillity, theft impossibility and accountability. We have proposed a prototype of Lockcoin based on bitcoin test network, experimental results show that our solution is efficient. Lockcoin's source codes are released on github.com/Northeastern-University-Blockchain/Lockcoin.