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cs.CR2025
Bitcoin under Volatile Block Rewards: How Mempool Statistics Can Influence Bitcoin Mining
Roozbeh Sarenche, Alireza Aghabagherloo, Svetla Nikova +1
The security of Bitcoin protocols is deeply dependent on the incentives provided to miners, which come from a combination of block rewards and transaction fees. As Bitcoin experien…
cs.CR2025
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.CR2025
Mining Power Destruction Attacks in the Presence of Petty-Compliant Mining Pools
Roozbeh Sarenche, Svetla Nikova, Bart Preneel
Bitcoin's security relies on its Proof-of-Work consensus, where miners solve puzzles to propose blocks. The puzzle's difficulty is set by the difficulty adjustment mechanism (DAM),…