Problems in Reputation-based PBFT Protocols
Collaborator(s): Prof. Li-Chun Wang
為提升 PBFT 類共識的效率與適應性,近年研究引入 reputation 機制,以節點評分影響 leader 選擇與投票權重。然而,reputation-based PBFT 也帶來 collision 與 livelock 等新風險,可能導致提案衝突、決策延滯,甚至共識流程長時間無法完成。如何在引入 reputation 的同時避免這些問題並維持安全性與活性,已成為一項重要研究課題。
Journal Papers (0)
Conference Papers (0)
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Magazine Papers (0)
Submitted (1)
[S01]W.A. Prabowo, S.W. Wang, and L.C. Wang, "Leader Concentration Failure: Fair Primary Selection for Byzantine Fault-Tolerant Consensus," under review by IEEE PIMRC 2026, (Last update: 2026-03-30 )
Revising/Preparing (1)
[R01]W.A. Prabowo, S.W. Wang, S.S. Tzeng, and L.C. Wang, "Collision and Livelock: Primary Selection Failures in Reputation-based PBFT with Inconsistent Scores," preparing for IEEE Globecom 2026.