Journal
KNOWLEDGE-BASED SYSTEMS
Volume 250, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.knosys.2022.108972
Keywords
Blockchains; Subjective information; Authenticity; Consensus
Categories
Funding
- ARC [LP160100080]
- UNSW
- ARC [LP160100080]
- Australian Research Council [LP160100080] Funding Source: Australian Research Council
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This paper proposes the Proof by Earnestness (PoE) consensus mechanism to address the issue of subjective information authenticity in blockchain, with supply chain risk management as the application area.
Blockchain is being used in various global supply chains with its ever-increasing maturity and popularity. However, in the presence of subjective information that does not have a digital footprint, blockchain application is a grey area. This is due to the difficulty in confirming the authenticity or legitimacy of information before achieving consensus on it using existing mechanisms such as Proof of Work (PoW), Proof of Authority (PoA) or Proof of Stake (PoS). In this paper, we attempt to address this issue. Specifically, we propose the Proof by Earnestness (PoE) consensus mechanism that determines the subjective information's truthfulness before further processing and formalising in blockchains. We consider supply chain risk management (SCRM) as our application area due to the vast amount of available subjective information. (C) 2022 Elsevier B.V. All rights reserved.
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