Abstract: Blockchain has gained increasing popularity across various industries due to its decentralized, stable, and secure nature. Consensus algorithms play a crucial role in maintaining the security and efficiency of Blockchain systems and selecting the right algorithm can lead to significant performance improvements. This article aims to provide a comparative review of the most used Blockchain consensus algorithms, highlighting their strengths and weaknesses. Additionally, we propose a dissociated architecture for an efficient Blockchain system that doesn't compromise on security. A comparison is made between this architecture and the reviewed algorithms, considering aspects such as algorithm performance, energy consumption, mining, decentralization level, and vulnerability to security threats. The research findings demonstrate that the proposed architecture can support complex algorithms with high security while addressing issues related to efficiency, processing performance, and energy consumption.

Cinthia P. Pascual Caceres, Jose Vicente Berna Martinez, Francisco Maciá Pérez, Iren Lorenzo Fonseca and Maria E. Almaral Martinez, “Blockchain Architecture Based on Decentralised PoW Algorithm” International Journal of Advanced Computer Science and Applications(IJACSA), 14(7), 2023. http://dx.doi.org/10.14569/IJACSA.2023.0140776

@article{Caceres2023,
title = {Blockchain Architecture Based on Decentralised PoW Algorithm},
journal = {International Journal of Advanced Computer Science and Applications},
doi = {10.14569/IJACSA.2023.0140776},
url = {http://dx.doi.org/10.14569/IJACSA.2023.0140776},
year = {2023},
publisher = {The Science and Information Organization},
volume = {14},
number = {7},
author = {Cinthia P. Pascual Caceres and Jose Vicente Berna Martinez and Francisco Maciá Pérez and Iren Lorenzo Fonseca and Maria E. Almaral Martinez}
}