3 papers
cs.GT2025
(Im)possibility of Incentive Design for Challenge-based Blockchain Protocols
Suhyeon Lee, Dieu-Huyen Nguyen, Donghwan Lee
Blockchains offer a decentralized and secure execution environment strong enough to host cryptocurrencies, but the state-replication model makes on-chain computation expensive. To…
cs.CR2025
Looking for Attention: Randomized Attention Test Design for Validator Monitoring in Optimistic Rollups
Suhyeon Lee, Yeongju Bak
Optimistic Rollups (ORUs) significantly enhance blockchain scalability but inherently suffer from the verifier's dilemma, particularly concerning validator attentiveness. Current s…
cs.GT2025
Hollow Victory: How Malicious Proposers Exploit Validator Incentives in Optimistic Rollup Dispute Games
Suhyeon Lee
Blockchain systems, such as Ethereum, are increasingly adopting layer-2 scaling solutions to improve transaction throughput and reduce fees. One popular layer-2 approach is the Opt…