数字货币中的区块链及其隐私保护机制

doi:10.3969/j.issn.1671-1122.2017.07.005

信息网络安全 ›› 2017, Vol. 17 ›› Issue (7): 32-39.doi: 10.3969/j.issn.1671-1122.2017.07.005

数字货币中的区块链及其隐私保护机制

王皓^1,², 宋祥福¹, 柯俊明¹, 徐秋亮¹()

1. 山东大学软件学院,山东济南 250101
2. 山东师范大学信息科学与工程学院,山东济南 250358

收稿日期:2017-06-12 出版日期:2017-07-20 发布日期:2020-05-12
作者简介:
作者简介：王皓（1984—）,男,山东,副教授,博士,主要研究方向为属性基密码体制和区块链技术;宋祥福（1992—）,男,山东,博士研究生,主要研究方向为云环境下的密码协议和区块链技术;柯俊明（1994—）,男,安徽,硕士研究生,主要研究方向为区块链技术和数字货币;徐秋亮（1960—）,男,山东,教授,博士,主要研究方向为密码学与信息安全。
基金资助:
国家自然科学基金重点项目[61632020];国家自然科学基金面上项目[61572294];国家自然科学基金青年项目[61602287];山东大学基本科研业务费专项资金[2017JC019]

Blockchain and Privacy Preserving Mechanisms in Cryptocurrency

Hao WANG^1,², Xiangfu SONG¹, Junming KE¹, Qiuliang XU¹()

1.Software College, Shandong University, Jinan Shandong 250101,China
2. School of Information Science and Engineering, Shandong Normal University, Jinan Shandong 250358, China

Received:2017-06-12 Online:2017-07-20 Published:2020-05-12

摘要/Abstract

摘要：

区块链作为支撑比特币运行的核心技术,是一种利用链式数据结构来验证和存储数据、利用分布式节点共识机制来生成和更新数据的去中心化基础架构。由于其具备去中心化、可验证、防篡改等特性,迅速成为各国政府、国际组织、大型财团、科研机构关注的热点。文章通过对比特币系统进行剖析,探讨了数字货币中区块链的工作原理,介绍了区块链技术所使用的各类主流共识机制,对数字货币中匿名和隐私保护面临的挑战进行了分析,介绍了现存的匿名和隐私保护方案。

关键词: 区块链, 比特币, 共识机制, 匿名性, 数字货币

Abstract:

As the supporting technique of bitcoin, blockchain is a decentralized infrastructure, which uses a linked data structure to verify and store data, and uses the distributed node consensus mechanism to generate and update data. Because of its characteristic of decentralized, verifiable and tamper proofing, blockchain has quickly become the focus of attentions by governments, international organizations, large consortia and scientific research institutions. This paper discusses the working principle of blockchain in cryptocurrency by comparing with the bitcoin system, introduces some typical consensuses mechanisms used in blockchain technology, analyzes the challenges of anonymity and privacy protection in cryptocurrency, and introduces the existing anonymous and privacy protection schemes.

Key words: blockchain, bitcoin, consensus mechanisms, anonymity, cryptocurrency

中图分类号:

TP393

王皓, 宋祥福, 柯俊明, 徐秋亮. 数字货币中的区块链及其隐私保护机制[J]. 信息网络安全, 2017, 17(7): 32-39.

Hao WANG, Xiangfu SONG, Junming KE, Qiuliang XU. Blockchain and Privacy Preserving Mechanisms in Cryptocurrency[J]. Netinfo Security, 2017, 17(7): 32-39.

图/表 2

参考文献 49

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数字货币中的区块链及其隐私保护机制

Blockchain and Privacy Preserving Mechanisms in Cryptocurrency

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