Welcome to the resource topic for 2014/007
Title:
One Weird Trick to Stop Selfish Miners: Fresh Bitcoins, A Solution for the Honest Miner.
Authors: Ethan Heilman
Abstract:Abstract—A recent result in Bitcoin is the selfish mining strategy in which a selfish cartel withholds blocks they mine to gain an advantage. This strategy is both incentive-compatible and harmful to Bitcoin. In this paper we introduce a new defense against selfish mining that improves on the previous best result, we raise the threshold of mining power necessary to profitably selfishly mine from 25% to 32% under all propagation advantages. While the security of our system uses unforgeable timestamps, it is robust to their compromise. Additionally, we discuss the difficulty a mining conspiracy would face attempting to keep the compromise of our scheme secret and we analyze incentives for getting miners to adopt these changes.
ePrint: https://eprint.iacr.org/2014/007
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