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Bitcoin Security-Latency Under Network Delay. (arXiv:2212.01372v1 [cs.CR])
Dec. 5, 2022, 2:10 a.m. | Mustafa Doger, Sennur Ulukus
cs.CR updates on arXiv.org arxiv.org
We improve security-latency bounds of Nakamoto consensus by analyzing the
race between adversarial and honest chains in three different phases:
pre-mining, confirmation and post-confirmation. We find the probability
distribution of the length of the adversarial chain and the rigged adversarial
chain under jumper models during the confirmation interval. We analyze certain
properties of this race to model pre-mining and post-confirmation phases with
random walks that provide tighter bounds than existing results. Combining all
three phases provides novel upper and lower …
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