Welcome to the resource topic for 2015/796
Title:
Stubborn Mining: Generalizing Selfish Mining and Combining with an Eclipse Attack
Authors: Kartik Nayak, Srijan Kumar, Andrew Miller, Elaine Shi
Abstract:Selfish mining, originally discovered by Eyal et al.~\cite{selfish_mining}, is a well-known attack where a selfish miner, under certain conditions, can gain a disproportionate share of reward by deviating from the honest behavior. In this paper, we expand the mining strategy space to include novel ``stubborn’’ strategies that, for a large range of parameters, earn the miner more revenue. Consequently, we show that the selfish mining attack is not (in general) optimal. Further, we show how a miner can further amplify its gain by non-trivially composing mining attacks with network-level eclipse attacks. We show, surprisingly, that given the attacker’s best strategy, in some cases victims of an eclipse attack can actually benefit from being eclipsed!
ePrint: https://eprint.iacr.org/2015/796
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