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Blockchains for Supply Chain Management: Architectural Elements and Challenges Towards a Global Scale Deployment

1
Electrical and Computer Engineering school, National Technical University of Athens, 157 73 Athens, Greece
2
Department of Informatics and Telematics, Harokopio University of Athens, 176 76 Athens, Greece
*
Author to whom correspondence should be addressed.
Logistics 2019, 3(1), 5; https://doi.org/10.3390/logistics3010005
Received: 19 November 2018 / Revised: 7 January 2019 / Accepted: 16 January 2019 / Published: 18 January 2019
(This article belongs to the Special Issue Blockchain in Logistics)
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PDF [621 KB, uploaded 18 January 2019]
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Abstract

Blockchains are attracting the attention of stakeholders in many industrial domains, including the logistics and supply chain industries. Blockchain technology can effectively contribute in recording every single asset throughout its flow on the supply chain, contribute in tracking orders, receipts, and payments, while track digital assets such as warranties and licenses in a unified and transparent way. The paper provides, through its methodology, a detailed analysis of the blockchain fit in the supply chain industry. It defines the specific elements of blockchain that affect supply chain such as scalability, performance, consensus mechanism, privacy considerations, location proof and cost, and details on the impact that blockchains will have in disrupting the supply chain industry. Discussing the tradeoff between consensus cost, throughput and validation time it proceeds with a suggested high-level architectural approach, and concludes as a result with a discussion on changes needed and challenges faced for an in-vivo deployment of blockchains in the supply chain industry. While the technological features of modern blockchains can effectively facilitate supply chain uses cases, the various challenges that still remain, bring in front of us a wide set of needed changes and further research efforts for achieving a global, production level blockchain for the supply chain industry. View Full-Text
Keywords: Blockchains; supply chain management; distributed ledgers; consensus Blockchains; supply chain management; distributed ledgers; consensus
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Litke, A.; Anagnostopoulos, D.; Varvarigou, T. Blockchains for Supply Chain Management: Architectural Elements and Challenges Towards a Global Scale Deployment. Logistics 2019, 3, 5.

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