3 papers
cs.CR2026
The Cost of Secure Restaking vs. Proof-of-Stake
Akaki Mamageishvili, Benny Sudakov
We compare the total capital efficiency of secure restaking and Proof-of-Stake (PoS) protocols. First, we consider the sufficient condition for the restaking graph to be secure. Th…
cs.GT2025
Searcher Competition in Block Building
Akaki Mamageishvili, Christoph Schlegel, Benny Sudakov +1
We study the amount of maximal extractable value (MEV) captured by validators, as a function of searcher competition, in blockchains with competitive block building markets such as…
cs.GT2025
Economic Censorship Games in Fraud Proofs
Ben Berger, Edward W. Felten, Akaki Mamageishvili +1
Optimistic rollups rely on fraud proofs -- interactive protocols executed on Ethereum to resolve conflicting claims about the rollup's state -- to scale Ethereum securely. To mitig…