310 citations · 324 across the 6 of their papers we have counts for
6 papers
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…
CipherGuard: Compiler-aided Mitigation against Ciphertext Side-channel Attacks
Ke Jiang, Sen Deng, Yinshuai Li +3
Recently, the new ciphertext side channels resulting from the deterministic memory encryption in Trusted Execution Environments (TEEs), enable ciphertexts to manifest identifiable…
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…
An Empirical Study on Ethereum Private Transactions and the Security Implications
Xingyu Lyu, Mengya Zhang, Xiaokuan Zhang +3
Recently, Decentralized Finance (DeFi) platforms on Ethereum are booming, and numerous traders are trying to capitalize on the opportunity for maximizing their benefits by launchin…
CROSSLINE: Breaking "Security-by-Crash" based Memory Isolation in AMD SEV
Mengyuan Li, Yinqian Zhang, Zhiqiang Lin
AMD's Secure Encrypted Virtualization (SEV) is an emerging security feature on AMD processors that allows virtual machines to run on encrypted memory and perform confidential compu…
SgxPectre Attacks: Stealing Intel Secrets from SGX Enclaves via Speculative Execution
Guoxing Chen, Sanchuan Chen, Yuan Xiao +3
This paper presents SgxPectre Attacks that exploit the recently disclosed CPU bugs to subvert the confidentiality and integrity of SGX enclaves. Particularly, we show that when bra…