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A Blockchain-Driven Electronic Contract Management System for Commodity Procurement in Electronic Power Industry

机译：电子电力工业商品采购的区块链路驱动的电子合同管理系统

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摘要

In the era of paper-based contract, a lot of time, human labor and expenses are required to handle the process of contract drafting, contract signing, contract execution, and payment settlement. The emerging of electronic contract enhances the tedious signing process of paper-based contract and improves the efficiency of contract management. However, due to the centralized system architecture and the database-based storage schema, the stored contract data is at high risk of information leaking, data tampering and hacker attacks. In this study, we introduce Blockchain technology to the contract management, and develop a process-oriented contract management system (BEcontractor) for a Hangzhou-located power grid enterprise X, aiming to solve a series of security issues existing in the traditional electronic contract system. By deploying BEcontractor, procurement activities could be resumed online among X and its nation-widely commodity suppliers during COVID-19 epidemic. Up to September 2020, 6336 electronic contracts have been signed, with an accumulated amount of $yen ~6.5$ billion. It is showed that the cost for accomplishing the contract signing process was significantly reduced, and the payment period was shortened from three months to around one month.
机译：在纸质合同时代，需要花费大量的时间，人力劳动力和开支来处理合同起草，合同签署，合同执行和付款结算的过程。电子合同的新兴提高了纸质合同的繁琐签署过程，提高了合同管理的效率。然而，由于集中式系统架构和基于数据库的存储模式，所存储的合同数据处于高风险的信息泄漏，数据篡改和黑客攻击。在这项研究中，我们向合同管理引入区块链技术，为杭州位于杭州的电网企业X开发了一个以过程为导向的合同管理系统（Becontractor），旨​​在解决传统电子合同系统中存在的一系列安全问题。通过部署Econtractor，在Covid-19流行病中可以在X及其国家广泛的商品供应商中在线恢复采购活动。 2020年9月9月，已签署6336个电子合同，累计<内联XMLNS：MML =“http://www.w3.org/1998/math/mathml”xmlns：xlink =“http：/ / www.w3.org/1999/xlink“> $ yen〜6.5 $ 亿。结果表明，完成合同签署过程的成本明显减少，支付期从三个月到一个月内缩短。

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