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| Main Authors: | , , |
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| Format: | Preprint |
| Published: |
2025
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2507.22611 |
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| _version_ | 1866912860568813568 |
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| author | Zhang, Chunyi Dou, Fengjiao Li, Xiaoqi |
| author_facet | Zhang, Chunyi Dou, Fengjiao Li, Xiaoqi |
| contents | Blockchain technology is widely used in various fields due to its ability to provide decentralization and trustless security. This is a fundamental understanding held by many advocates, but it is misunderstood, leading participants to fail to recognize the limitations of the security that blockchain can provide. Among all current network attacks, Denial of Service (DoS) attacks pose significant threats due to their ease of execution and destructive potential. This paper, based on the blockchain architecture hierarchy, categorizes and organizes existing DoS attacks, with a focus on explaining the principles and methods of contract layer and consensus layer DoS attacks. Furthermore, this paper comprehensively analyzes and compares commonly used detection methods and defense technologies, which will contribute to strengthening the security and stability of blockchain systems and promoting further innovation and application of blockchain systems. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2507_22611 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | DoS Attacks and Defense Technologies in Blockchain Systems: A Hierarchical Analysis Zhang, Chunyi Dou, Fengjiao Li, Xiaoqi Cryptography and Security Blockchain technology is widely used in various fields due to its ability to provide decentralization and trustless security. This is a fundamental understanding held by many advocates, but it is misunderstood, leading participants to fail to recognize the limitations of the security that blockchain can provide. Among all current network attacks, Denial of Service (DoS) attacks pose significant threats due to their ease of execution and destructive potential. This paper, based on the blockchain architecture hierarchy, categorizes and organizes existing DoS attacks, with a focus on explaining the principles and methods of contract layer and consensus layer DoS attacks. Furthermore, this paper comprehensively analyzes and compares commonly used detection methods and defense technologies, which will contribute to strengthening the security and stability of blockchain systems and promoting further innovation and application of blockchain systems. |
| title | DoS Attacks and Defense Technologies in Blockchain Systems: A Hierarchical Analysis |
| topic | Cryptography and Security |
| url | https://arxiv.org/abs/2507.22611 |