Efficient and DoS-resistant Consensus for Permissioned Blockchains

Xusheng Chen, Shixiong Zhao, Ji Qi, Jianyu Jiang, Haoze Song, Cheng Wang, Tsz On Li, T. H. Hubert Chan, Fengwei Zhang, Xiapu Luo, Sen Wang, Gong Zhang, Heming Cui

Research output: Journal article publicationJournal articleAcademic researchpeer-review

3 Citations (Scopus)


Existing permissioned blockchain systems designate a fixed and explicit group of committee nodes to run a consensus protocol that confirms the same sequence of blocks among all nodes. Unfortunately, when such a system runs on a large scale on the Internet, these explicit committee nodes can be easily turned down by denialof- service (DoS) or network partition attacks. Although recent studies proposed scalable BFT protocols that run on a larger number of committee nodes, these protocols' efficiency drops dramatically when only a small number of nodes are attacked.

Original languageEnglish
Pages (from-to)61-62
Number of pages2
JournalPerformance Evaluation Review
Issue number3
Early online dateDec 2021
Publication statusPublished - 25 Mar 2022

ASJC Scopus subject areas

  • Software
  • Hardware and Architecture
  • Computer Networks and Communications


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