Authors: Davidović, Tatjana 
Todorović, Milan 
Sharma, Bharat
Ramljak, Dušan
Affiliations: Computer Science 
Mathematical Institute of the Serbian Academy of Sciences and Arts 
Title: Exploring Arbitrary Real-Life Problems in Proof-of-Useful-Work: Myth Busting?
Journal: 2023 5th International Conference on Blockchain Computing and Applications, BCCA 2023
Issue Date: 1-Jan-2023
Rank: M33
ISBN: 9798350339239
DOI: 10.1109/BCCA58897.2023.10338884
Proof-of-Useful-Work (PoUW) consensus protocols (CPs) are commonly used to improve the Blockchain (BC) efficiency and security. Numerous papers propose various PoUW concepts, majority of them being based on solving the hard real-life optimization problems. A recently proposed Combinato-rial Optimization Consensus Protocol (COCP), tried to address exploration of an arbitrary real-life combinatorial optimization problem. Although the ideas are quite straightforward, the actual implementation of such a BC system is still challenging. In this paper we reflect upon the main components of PoUW-based BC system with an emphasis on implementation challenges that arise from the necessity to define and solve an arbitrary real-life CO problem with the appropriate CO algorithm,
Keywords: Blockchain systems | energy savings | optimization problems | rewarding schemes | solution methods
Publisher: IEEE
Project: Advanced artificial intelligence techniques for analysis and design of system components based on trustworthy BlockChain technology - AI4TrustBC 

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