THE RISK OF A "51% ATTACK" IN A BLOCKCHAIN ​​SYSTEM AND MEASURES TO PREVENT IT

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Keywords:

This article analyzes 51% attacks that can occur in blockchain technology and their various types. It also examines the nature of 51% attacks, their mechanisms, the threat to blockchain systems, and countermeasures. The article also describes the economic and technological implications of attacks, mathematical models, and advanced security measures.

Abstract

51% attack, blockchain, cryptocurrency, security, consensus, PoW, double-spending.

Author Biography

  • Shukhratjon Umarov, FDTU
    Farg‘ona davlat texnika universiteti “Dasturiy injiniring va kiberxavfizlik” kafedrasi dotsenti

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Published

2026-02-24

Issue

Vol. 2 No. 2 (2026): SCIENTIFIC RESEARCH, INNOVATIONS, AND MODERN APPROACHES

Section

Articles