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Communication Dans Un Congrès Année : 2024

Security Challenges and Countermeasures in Blockchain’s Peer-to-Peer Architecture

Résumé

This paper addresses the issue of security in blockchain systems, with a focus on attacks targeting the peer-to-peer architecture. The peer-to-peer nature of blockchain is fundamental to many of the benefits promised by blockchain applications. We detail various attacks affecting this architecture, including network attacks, eclipse attack, majority attacks, selfish mining attack, block-withholding attacks, and time-jacking attack. This paper provides a significant contribution in three parts: firstly, it offers a comprehensive description of several attacks targeting this architecture. Secondly, it examines the necessary conditions for the effectiveness of these attacks and, thirdly, it presents a qualitative overview of the defense strategies identified in the existing literature to deal with these threats. © IFIP International Federation for Information Processing 2024.
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Dates et versions

hal-04642075 , version 1 (09-07-2024)

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Citer

Hussein Kazem, Nour El Madhoun, Samia Bouzefrane, Pierrick Conord. Security Challenges and Countermeasures in Blockchain’s Peer-to-Peer Architecture. 14th IFIP WG 11.2 International Conference on Information Security Theory and Practices, WISTP 2024, Feb 2024, Paris, France. pp.111-127, ⟨10.1007/978-3-031-60391-4_8⟩. ⟨hal-04642075⟩
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