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cs.CR2025
How to Beat Nakamoto in the Race
Shu-Jie Cao, Dongning Guo
This paper studies proof-of-work Nakamoto consensus protocols under bounded network delays, settling two long-standing questions in blockchain security: What is the most effective…
cs.CR2023
Security, Latency, and Throughput of Proof-of-Work Nakamoto Consensus
Shu-Jie Cao, Dongning Guo
This paper investigates the fundamental trade-offs between block safety, confirmation latency, and transaction throughput of proof-of-work (PoW) longest-chain fork-choice protocols…