3 papers
cs.CR2025
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
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…
cs.GT2024
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…