Development and application of blockchain-based inspection certificates in the steel supply chain

doi:10.3969/j.issn.1000-5641.2022.05.004

Abstract

Abstract:

This study investigates the application of consortium blockchain technology to steel inspection certificates to facilitate the issuing of trustworthy, accountable, transferable, divisible, and electronic certificates for industrial internet users. With the help of blockchain technology, steel plants provided authentic certificate data to Ouyeel. They authorized Ouyeel to produce and issue electronic inspection certificates based on the trustworthy certificate data and online business transactions for internet users. The smart contracts were developed for quality data recording, ownership transferring, certificate history, and so on. The blockchain-based steel inspection certificates were tamper-proof and could be verified by scanning the 2D barcode on the certificates. Thus, the costs of printing, mailing, and archiving for manufacturers, distributors, and end users are significantly reduced. The experiments prove the high efficiency and availability of the system through sufficient function and performance tests.

Key words: blockchain, inspection certificate, steel, supply chain

CLC Number:

TP399

Yingjie YANG, Gang QIN, Shugang CHEN, Furong YIN, Zhao ZHANG, Cheqing JIN. Development and application of blockchain-based inspection certificates in the steel supply chain[J]. Journal of East China Normal University(Natural Science), 2022, 2022(5): 36-47.

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每秒交易请求次数	平均交易请求确认时间/ms	90%交易上链完成时间/s	上链成功率/%
10	123.79	5.20	100
50	150.39	6.56	100
100	199.45	9.31	100
500	364.74	13.68	100
1000	377.09	15.56	100

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