3 papers
cs.CR2025
Demystifying Private Transactions and Their Impact in PoW and PoS Ethereum
Xingyu Lyu, Mengya Zhang, Xiaokuan Zhang +3
In Ethereum, private transactions, a specialized transaction type employed to evade public Peer-to-Peer (P2P) network broadcasting, remain largely unexplored, particularly in the c…
cs.CR2024
Flashback: Enhancing Proposer-Builder Design with Future-Block Auctions in Proof-of-Stake Ethereum
Yifan Mao, Mengya Zhang, Shaileshh Bojja Venkatakrishnan +1
Maximal extractable value (MEV) in which block proposers unethically gain profits by manipulating the order in which transactions are included within a block, is a key challenge fa…
cs.CR2023
SoK: Security of Cross-chain Bridges: Attack Surfaces, Defenses, and Open Problems
Mengya Zhang, Xiaokuan Zhang, Josh Barbee +2
Cross-chain bridges are used to facilitate token and data exchanges across blockchains. Although bridges are becoming increasingly popular, they are still in their infancy and have…