Collaborator(s): Prof. Show-Shiow Tzeng, Prof. Li-Chun Wang
本研究聚焦於分散式共識機制（Distributed Consensus），探討如何透過提案品質評估與聲譽式節點選擇，提升 PBFT 類協議的決策品質與運作效率，並分析及改善低品質提案、collision 與 livelock 等安全性與活性問題。
| [C02] | 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," in 2026 IEEE Global Communication Conference (Globecom 2026), Macau S.A.R., China, December 7-11, 2026. | ||
| [C01] | S.W. Wang, W.L. Chen, and S.S. Tzeng, "VLQ Attack: Valid-but-Low-Quality Proposals in PBFT-Based MIS Agreement over Transaction Conflict Graphs in Permissioned Blockchains," in 2026 IEEE Global Communication Conference (Globecom 2026), Macau S.A.R., China, December 7-11, 2026. |
| [S01] | S.W. Wang, S.S. Tzeng, and W.L. Chen, "QE-X-PBFT: Bridging the Validity-Quality Gap in Byzantine Consensus for Permissioned Blockchains," under review by IEEE Transactions on Dependable wand Secure Computing, (Last update: 2026-09-06 Under review in 1st round ) |
| [R02] | W.A. Prabowo, S.W. Wang, S.H. Cheng, and L.C. Wang, "SHIELD-MCPS: Intelligent, Fair, and Adaptive Leader Selection for Byzantine Fault-Tolerant Consensus in Permissioned Blockchains," preparing for IEEE Transactions on Network Science and Engineering. |
| [R01] | S.W. Wang, Yu-Shun Hung, Anonymous, and S.S. Tzeng, "QE-FL-PBFT: Accelerating Federated Learning Convergence in Permissioned Blockchains under Byzantine-Primary VLQ Attacks," preparing for IEEE ICC 2027 CISS Symposium. |