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Modeling and Verifying the CKB Blockchain Consensus Protocol

Author

Listed:
  • Meng Sun

    (School of Mathematical Sciences, Peking University, Beijing 100871, China)

  • Yuteng Lu

    (School of Mathematical Sciences, Peking University, Beijing 100871, China)

  • Yichun Feng

    (School of Mathematical Sciences, Peking University, Beijing 100871, China)

  • Qi Zhang

    (School of Mathematical Sciences, Peking University, Beijing 100871, China)

  • Shaoying Liu

    (Graduate School of Advanced Science and Engineering, Hiroshima University, Higashi Hiroshima City 739-8527, Japan)

Abstract

The Nervos CKB (Common Knowledge Base) is a public permissionless blockchain designed for the Nervos ecosystem. The CKB consensus protocol is the key protocol of the Nervos CKB, which improves the limit of the consensus’s performance for Bitcoin. In this paper, we developed the formal model of the CKB consensus protocol using timed automata. Based on the model, we formally verified various important properties of the Nervos CKB to provide a sufficient trustworthiness assurance. Especially, the security of the Nervos CKB against the selfish mining attacks to the protocol was investigated.

Suggested Citation

  • Meng Sun & Yuteng Lu & Yichun Feng & Qi Zhang & Shaoying Liu, 2021. "Modeling and Verifying the CKB Blockchain Consensus Protocol," Mathematics, MDPI, vol. 9(22), pages 1-15, November.
    • Handle: RePEc:gam:jmathe:v:9:y:2021:i:22:p:2954-:d:682761
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    Cited by:

    1. Muhammad Sardaraz ( & Muhammad Tahir & Usman Aziz, 2022. "Critical Review of Blockchain Consensus Algorithms: challenges and opportunities," International Journal of Innovations in Science & Technology, 50sea, vol. 4(5), pages 52-64, June.

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