Selfish Mining in PoW Blockchains
Collaborator(s): Prof. Show-Shiow Tzeng, Prof. Li-Chun Wang
本研究探討工作量證明區塊鏈中的自私挖礦行為與安全影響，並以隨機過程與馬可夫鏈分析不同網路條件下的獲利機制。研究進一步涵蓋多自私礦工、分片架構與輕量化區塊鏈情境，指出傳統安全門檻可能低估實際風險，並為協定設計與防禦機制提供理論依據。
Journal Papers (3)
[J03]S.W. Wang, S.S. Tzeng, and L.C. Wang, "SLChain: A Stochastic Lightweight Blockchain with Selfish Mining Attack Mitigation," in IEEE Internet of Things Journal, vol. 13, no. 7, pp. 13286-13304, April, 2026.
[J02]S.W. Wang and S.S. Tzeng, "An Accurate and Efficient Analytical Model for Security Evaluation of PoW Blockchains with Multiple Independent Selfish Miners," in IEEE Transactions on Network and Service Management, vol. 23, pp. 11-27, January, 2026.
[J01]S.W. Wang and S.S. Tzeng, "Accurate Estimation of Selfish Mining Rate by Stale Block Ratio in a Proof-of-Work Blockchain," in IEEE Transactions on Network and Service Management, vol. 23, pp. 880-895, January, 2026.
Conference Papers (7)
[C07]Y.X. Chen, W.Y. Kuo, Y.C. Lin, S.W. Wang, and S.S. Tzeng, "Minimization of Number of Cross-Shard Transactions in a Blockchain with Sharding," in 2026 IEEE 6th International Conference on Electronic Communications, Internet of Things and Big Data (ICEIB 2026), New Taipei City, Taiwan, April 24-26, 2026.
[C06]S.W. Wang, W.L. Chen, and S.S. Tzeng, "Nonce Distribution in Bitcoin Blockchain," in The 25th Asia-Pacific Network Operations and Management Symposium (APNOMS 2025), Kaohsiung, Taiwan, September 22-24, 2025.
[C05]S.W. Wang and S.S. Tzeng, "Security Analysis of Majority and Selfish Mining Attacks in A Blockchain with Sharding," in 2025 IEEE International Conference on Communications (ICC 2025), Montreal, Canada, June 8-12, 2025.
[C04]S.W. Wang and S.S. Tzeng, "An Accurate Analytical Model for A Proof-of-Work Blockchain with Multiple Selfish Miners," in 2024 IEEE International Conference on Communications (ICC 2024), Denver, Colorado, USA, June 9-13, 2024
[C03]S.W. Wang, "Analysis of Earned Rewards In A Blockchain with Two Selfish Miners," in 2024 IEEE International Conference on Blockchain and Cryptocurrency (ICBC 2024), Dublin, Ireland, May 27-31, 2024.
[C02]S.W. Wang, "A Game Theory Based Rational Mining Strategy in Blockchains With Multiple Rational Miners," in International Conference on Computing, Networking and Communications (ICNC 2024), Big Island, Hawaii, USA, Feburary 19-22.
[C01]S.W. Wang, "Selfish Mining Attacks in Sharded Blockchains," in International Conference on Computing, Networking and Communications (ICNC 2024), Big Island, Hawaii, USA, Feburary 19-22.
Patents (0)
Magazine Papers (0)
Submitted (1)
[S01]Y.S. Hung, S.W. Wang, S.S. Tzeng, and L.C. Wang, "Gamma Is Not a Constant: Network-Aware Characterization of Selfish Mining in PoW Blockchains," under review by IEEE Network, (Last update: 2026-02-22 )
Revising/Preparing (1)
[R01]S.W. Wang and L.C. Wang, "Design Principles for Stochastic Lightweight Blockchains," preparing for IEEE Magazines.