3 papers
cs.GT2026
Towards Decentralized Searcher Competition in MEV Markets
Roozbeh Sarenche, Yunwen Liu
Centralization in maximal extractable value (MEV) markets is a significant concern for blockchain systems, as persistent concentration of economic power can weaken competition, red…
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),…
cs.CR2024
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…