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cs.CR2024
Commitment Attacks on Ethereum's Reward Mechanism
Roozbeh Sarenche, Ertem Nusret Tas, Barnabe Monnot +2
Validators in permissionless, large-scale blockchains, such as Ethereum, are typically payoff-maximizing, rational actors. Ethereum relies on in-protocol incentives, like rewards f…
cs.CR2021
Three Attacks on Proof-of-Stake Ethereum
Caspar Schwarz-Schilling, Joachim Neu, Barnabé Monnot +3
Recently, two attacks were presented against Proof-of-Stake (PoS) Ethereum: one where short-range reorganizations of the underlying consensus chain are used to increase individual…