摘要
区块链技术具有去中心化、去信任化、透明公开、不可否认等特点,被广泛应用于加密货币的设计与实现。同时,这些良好的特性也可以被用于解决其他领域的发展难题。文章首先阐述区块链的基本概念,并对现有的区块链关键技术进行概述。然后通过分析现有区块链应用中暴露出的问题和技术本身存在的缺陷,探讨其中存在的安全问题。最后总结区块链技术的应用范围、发展前景及有待解决的问题。
Blockchain technology has been widely applied in the cryptocurrency due to its decentralized,trustless,transparent and undeniable features.Meanwhile,all of these sound features can also be used in other fields to solve some difficulties in development.Firstly,this paper explaines the basic conception of blockchain,and introduces an overview of the existing key techniques in the blockchain.Secondly,this paper discusses its potential security problems by analyzing exposed problems of existing applications and vulnerabilities of the technology.Finally,this paper summarizes the application scopes,development prospect and future problems of the blockchain technology.
作者
程丽辰
刘吉强
Cheng Lichen;Liu Jiqiang(Beijing Key Laboratory of Security and Privacy in Intelligent Transportation, Beijing Jiaotong University Beijing 100044, China)
出处
《信息通信技术》
2017年第3期39-45,共7页
Information and communications Technologies
关键词
区块链
加密货币
共识机制
隐私保护
哈希函数
Blockchain
Cryptocurrency
Consensus
Private Preserving
Hash Function
