5 papers
Your Loss is My Gain: Low Stake Attacks on Liquid Staking Pools
Sen Yang, Aviv Yaish, Arthur Gervais +1
Permissionless Proof-of-Stake (PoS) economic security is predicated on the high cost of violating consensus safety or liveness. We show that liquid staking introduces additional ri…
Boost+: Equitable, Incentive-Compatible Block Building
Mengqian Zhang, Sen Yang, Kartik Nayak +1
Block space on the blockchain is scarce and must be allocated efficiently through block building. However, Ethereum's current block-building ecosystem, MEV-Boost, has become highly…
Lifefin: Escaping Mempool Explosions in DAG-based BFT
Jianting Zhang, Sen Yang, Alberto Sonnino +2
Directed Acyclic Graph (DAG)-based Byzantine Fault-Tolerant (BFT) protocols have emerged as promising solutions for high-throughput blockchains. By decoupling data dissemination fr…
Geographical Centralization Resilience in Ethereum's Block-Building Paradigms
Sen Yang, Burak Öz, Fei Wu +1
Decentralization has an important geographic dimension that conventional metrics, such as stake distribution, often overlook. Validator location affects resilience to regional shoc…
RediSwap: MEV Redistribution Mechanism for CFMMs
Mengqian Zhang, Sen Yang, Fan Zhang
Automated Market Makers (AMMs) are essential to decentralized finance, offering continuous liquidity and enabling intermediary-free trading on blockchains. However, participants in…