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Proposal for a blockchain based agricultural input voucher system

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Abstract

Most of the small-scale farmers in Tanzania can’t afford to buy quality agricultural inputs (fertilizers and seeds), therefore the Tanzanian government issues paper-based subsidy vouchers to farmers for buying the inputs at half price. However, challenges like misuse of the vouchers by some government officials (stealing and favoritism in allocation) and lack of trust (difficulty of verifying vouchers’ authenticity) have resulted into low crop productivity for the farmers and loss of government funds. To address this, we have developed agricultural input voucher system which stores and allocates digital subsidy vouchers to farmers in the Hyperledger Fabric blockchain network whose features like hashing and digital signature prevent misuse and ensure trust of the vouchers. Farmers access the digital vouchers through Short Message Service (SMS) in their mobile phones. Evaluation reveals that, the developed system is effective and meets performance demands of Tanzanian farmers. Also, Raft has better performance than Kafka consensus protocol.

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Acknowledgements

This work was supported by JSPS KAKENHI Grant Nos. JP18K11268 and JP21K11849.

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Authors and Affiliations

  1. Interdisciplinary Graduate School of Agriculture and Engineering, University of Miyazaki, Miyazaki, 889-2192, Japan

    Isakwisa Gaddy Tende

  2. Faculty of Engineering, University of Miyazaki, Miyazaki, 889-2192, Japan

    Kentaro Aburada, Hisaaki Yamaba, Tetsuro Katayama & Naonobu Okazaki

Authors
  1. Isakwisa Gaddy Tende
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  2. Kentaro Aburada
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  3. Hisaaki Yamaba
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  4. Tetsuro Katayama
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  5. Naonobu Okazaki
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Correspondence to Kentaro Aburada.

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This work was presented in part at the 26th International Symposium on Artificial Life and Robotics (Online, January 21–23, 2021).

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Tende, I.G., Aburada, K., Yamaba, H. et al. Proposal for a blockchain based agricultural input voucher system. Artif Life Robotics 27, 461–471 (2022). https://doi.org/10.1007/s10015-021-00724-9

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  • DOI: https://doi.org/10.1007/s10015-021-00724-9

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