区块链技术综述
首发时间:2016-11-22
摘要:随着比特币不断发展,它的底层技术区块链也逐步走进公众视野,引起大众注意。本文从区块链的发展现状谈起,首先介绍了区块链去中心化的结构与其实现原理。随之,分析了区块链的两个应用:一是以比特币为例分析区块链在数字货币的应用,包括比特币交易、工作量证明机制与比特币工作步骤;二是分析区块链在智能合约上的应用,包括智能合约的特性与验证合约人意见的方法。其次,介绍了区块链各种共识机制的优缺点及其发展过程。最后,辩证总结了区块链的优势及其发展所面临的挑战。
关键词: 区块链 数字货币 智能合约 工作量证明机制 权益证明机制
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A Survey of Bloakchain Technology
Abstract:With the continuous development of Bitcoin, its underlying technology, blockchain technology, also gradually walking into public view, and caughting public attention. In this paper, from the development present situation of blockchain technology, the decentralized structure of blockchain technology and its principle of the implementation are introduced firstly. Secondly, this paper analyses two applications of blockchain technology: one is the the application in digital currency, Bitcoin as the example, including Bitcoin trading, Proof of Work mechanism and the working steps of Bitcoin. The other one is the application of intelligent contract, including the characteristics of intelligent contract and verification method of contractor consents. Thirdly, This paper introduces the advantages and disadvantages of various consensus mechanisms of blockchain technology as well as their developing process. Finally, the advantages of blockchain and the challenges faced by its development are dialectical summarized.
Keywords: blockchain digital currency intelligent contract proof of work proof of stake
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