While the security of our system uses unforgeable timestamps, it is robust to their compromise. 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. This strategy is both incentive-compatible and harmful to Bitcoin. One Weird Trick to Stop Selfish Miners: Fresh Bitcoins, A Solution for the Honest Miner.Ībstract: Abstract-A recent result in Bitcoin is the selfish mining strategy in which a selfish cartel withholds blocks they mine to gain an advantage.
Cryptology ePrint Archive: Report 2014/007 Cryptology ePrint Archive: Report 2014/007 - One Weird Trick to Stop Selfish Miners: Fresh Bitcoins, A Solution for the Honest Miner.