The Blockchain Trilemma: A Formal Proof of the Inherent Trade-Offs Among Decentralization, Security, and Scalability

Blockchain technology has emerged as a transformative force with the potential to disrupt traditional industries by providing decentralized, secure, and transparent systems. However, blockchain systems face a fundamental challenge known as the Blockchain Trilemma, which posits that a blockchain cann...

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Main Authors: Souhail Mssassi, Anas Abou El Kalam
Format: Article
Language:English
Published: MDPI AG 2024-12-01
Series:Applied Sciences
Subjects:
Online Access:https://www.mdpi.com/2076-3417/15/1/19
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author Souhail Mssassi
Anas Abou El Kalam
author_facet Souhail Mssassi
Anas Abou El Kalam
author_sort Souhail Mssassi
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description Blockchain technology has emerged as a transformative force with the potential to disrupt traditional industries by providing decentralized, secure, and transparent systems. However, blockchain systems face a fundamental challenge known as the Blockchain Trilemma, which posits that a blockchain cannot simultaneously achieve optimal levels of decentralization, security, and scalability. This paper addresses the Blockchain Trilemma through rigorous mathematical proof, demonstrating that achieving maximum levels of all three properties concurrently leads to inherent contradictions. By formalizing the definitions of decentralization, security, and scalability, we provide a foundational framework to understand these trade-offs. Our analysis includes a proof by contradiction and computational complexity analysis. This work aims to deepen the understanding of the fundamental limitations of blockchain technology, offering insights for future innovations and helping navigate the inevitable trade-offs.
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spelling doaj-art-78fef71ade734fa28135bccd612c65ae2025-01-10T13:14:10ZengMDPI AGApplied Sciences2076-34172024-12-011511910.3390/app15010019The Blockchain Trilemma: A Formal Proof of the Inherent Trade-Offs Among Decentralization, Security, and ScalabilitySouhail Mssassi0Anas Abou El Kalam1National School of Applied Sciences, Cadi Ayyad University, Marrakech 40160, MoroccoNational School of Applied Sciences, Cadi Ayyad University, Marrakech 40160, MoroccoBlockchain technology has emerged as a transformative force with the potential to disrupt traditional industries by providing decentralized, secure, and transparent systems. However, blockchain systems face a fundamental challenge known as the Blockchain Trilemma, which posits that a blockchain cannot simultaneously achieve optimal levels of decentralization, security, and scalability. This paper addresses the Blockchain Trilemma through rigorous mathematical proof, demonstrating that achieving maximum levels of all three properties concurrently leads to inherent contradictions. By formalizing the definitions of decentralization, security, and scalability, we provide a foundational framework to understand these trade-offs. Our analysis includes a proof by contradiction and computational complexity analysis. This work aims to deepen the understanding of the fundamental limitations of blockchain technology, offering insights for future innovations and helping navigate the inevitable trade-offs.https://www.mdpi.com/2076-3417/15/1/19Blockchain Trilemmadecentralizationscalabilitysecuritycomputational complexityconsensus algorithms
spellingShingle Souhail Mssassi
Anas Abou El Kalam
The Blockchain Trilemma: A Formal Proof of the Inherent Trade-Offs Among Decentralization, Security, and Scalability
Applied Sciences
Blockchain Trilemma
decentralization
scalability
security
computational complexity
consensus algorithms
title The Blockchain Trilemma: A Formal Proof of the Inherent Trade-Offs Among Decentralization, Security, and Scalability
title_full The Blockchain Trilemma: A Formal Proof of the Inherent Trade-Offs Among Decentralization, Security, and Scalability
title_fullStr The Blockchain Trilemma: A Formal Proof of the Inherent Trade-Offs Among Decentralization, Security, and Scalability
title_full_unstemmed The Blockchain Trilemma: A Formal Proof of the Inherent Trade-Offs Among Decentralization, Security, and Scalability
title_short The Blockchain Trilemma: A Formal Proof of the Inherent Trade-Offs Among Decentralization, Security, and Scalability
title_sort blockchain trilemma a formal proof of the inherent trade offs among decentralization security and scalability
topic Blockchain Trilemma
decentralization
scalability
security
computational complexity
consensus algorithms
url https://www.mdpi.com/2076-3417/15/1/19
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