Cited by 39Blockchain Technology Applications and SecurityBlockchain Technology in Education and LearningCryptography and Data Security

Corking by Forking: Vulnerability Analysis of Blockchain

Wang, Shengling, Wang, Chenyu, Hu, Qin·2019·IEEE INFOCOM 2019 - IEEE Conference on Computer Communications

Abstract

The great market success of Blockchain makes it an extremely valuable target for attackers. A well-known attack in Blockchain is the forking attack, where divergent blockchains are produced for inserting some new features to facilitate security breaches. The state-of-the-art works mostly focus on how to detect attacks in real-time transactions, which is in hindsight and cannot deter the forking attack from the root. To take precautions, we employ the large deviation theory to study the vulnerability of blockchain networks incurred by intentional forks from a micro point of view, boosting forward-looking and strategic planning mechanisms for resisting the forking attack. Our study is fine-grained, because it offers not only the vulnerability probability of a blockchain network but also its decay speed, through which we find setting the parameter related to the robust level has more power than enhancing the computer power in speeding up the failure of attacks. This finding is valuable since it renders an opportunity to improve the robustness of a blockchain network in a cost-efficient way. Our analysis is complementary, since it studies both the impacts of the computational power as well as the number of confirmations on the vulnerability of a blockchain network, providing a theoretical basis to design reasonable schemes for invigorating a blockchain network from technical as well as managerial levels. Extensive experiments carried out on a large-scale cloud platform running the Ethereum protocol show the experimental and analytical results match well, verifying the effectiveness of our analysis.

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Crossref · 10.1109/infocom.2019.8737490

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Authors
Wang, S., Wang, C., & Hu, Q.
Affiliations
  • Beijing Normal University (CN)
  • George Washington University (US)
Venue
IEEE INFOCOM 2019 - IEEE Conference on Computer Communications
Publisher
IEEE
Published
2019-04
Pages
829-837
OpenAlex
W2920779589
Cited by
39
References
23
Citations by year
2026: 2 · 2025: 1 · 2024: 2 · 2023: 6 · 2022: 7 · 2021: 9 · 2020: 12
FWCI
5.58
Type
conference paper
Language
en
Open access
closed
Locations
IEEE Conference on Computer Communications (INFOCOM) (publishedVersion)
Topics
  • Physical Sciences › Computer Science › Information Systems › Blockchain Technology Applications and Security
  • Physical Sciences › Computer Science › Information Systems › Blockchain Technology in Education and Learning
  • Physical Sciences › Computer Science › Artificial Intelligence › Cryptography and Data Security
Keywords
blockchain security, large deviations, attack resistance, computational power, Ethereum

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