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Advances of Science and Technology. 8th EAI International Conference, ICAST 2020, Bahir Dar, Ethiopia, October 2-4, 2020, Proceedings, Part I

Research Article

Blockchain Based Green Coffee Supply Chain Management to Improve Traceability and Transparency (Case Study on Sidama Coffee)

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  • @INPROCEEDINGS{10.1007/978-3-030-80621-7_22,
        author={Temesgen Mihiretu Abebe and Alehegn Melesse Semegn},
        title={Blockchain Based Green Coffee Supply Chain Management to Improve Traceability and Transparency (Case Study on Sidama Coffee)},
        proceedings={Advances of Science and Technology. 8th EAI International Conference, ICAST 2020, Bahir Dar, Ethiopia, October 2-4, 2020, Proceedings, Part I},
        proceedings_a={ICAST},
        year={2021},
        month={7},
        keywords={Supply chain Traceability Transparency Distributed ledger technology Blockchain Hyperledger fabric Hyperledger composer Coffee Peers Smart Contract},
        doi={10.1007/978-3-030-80621-7_22}
    }
    
  • Temesgen Mihiretu Abebe
    Alehegn Melesse Semegn
    Year: 2021
    Blockchain Based Green Coffee Supply Chain Management to Improve Traceability and Transparency (Case Study on Sidama Coffee)
    ICAST
    Springer
    DOI: 10.1007/978-3-030-80621-7_22
Temesgen Mihiretu Abebe1, Alehegn Melesse Semegn2
  • 1: Faculty of Electrical and Computer Engineering, Bahir Dar Institute of Technology
  • 2: Faculty of Mechanical and Industrial Engineering, Bahir Dar Institute of Technology

Abstract

Ethiopia is one of coffee producing countries in the world, especially it is known for coffee Arabica. The coffee supply chain includes different participating organizations from its production place up to its consumption in the international market. Ethiopian coffee suffers from the two most prominent supply chain problems which are provenance traceability and transaction transparency for the participating parties. In this paper, we tried to implement blockchain technology for the Ethiopian green coffee supply chain to improve traceability and transparency by using Sidama coffee as case study. Distributed ledger technology was proposed to solve those problems by distributing a record of coffee transactions throughout the network participants. Among available blockchain technologies, we choose Hyperledger blockchain technology because it is suitable for business to business (B2B) model. We were able to design and implement a number of smart contracts using Hyperledger composer modeling language based on our field study and deploy them in the underlying Hyperledger Fabric blockchain network. The prototype system was able to create a traceable route for the coffee by recording every transaction in an immutable and untampered way and the transactions were transparent for participating parties since they get an exact copy of ordered transaction as a block. We also were able to solve confidentiality issues in the network by implementing multiple channels in the network.

Keywords
Supply chain Traceability Transparency Distributed ledger technology Blockchain Hyperledger fabric Hyperledger composer Coffee Peers Smart Contract
Published
2021-07-15
Appears in
SpringerLink
http://dx.doi.org/10.1007/978-3-030-80621-7_22
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