20 citations · 38 across the 5 of their papers we have counts for
8 papers · 1 filter
Understanding the Security Risks of Decentralized Exchanges by Uncovering Unfair Trades in the Wild
Jiaqi Chen, Yibo Wang, Yuxuan Zhou +4
DEX, or decentralized exchange, is a prominent class of decentralized finance (DeFi) applications on blockchains, attracting a total locked value worth tens of billions of USD toda…
Efficiently Hardening SGX Enclaves against Memory Access Pattern Attacks via Dynamic Program Partitioning
Yuzhe Tang, Kai Li, Yibo Wang +2
Intel SGX is known to be vulnerable to a class of practical attacks exploiting memory access pattern side-channels, notably page-fault attacks and cache timing attacks. A promising…
Enabling Cost-Effective Blockchain Applications via Workload-Adaptive Transaction Execution
Yibo Wang, Yuzhe Tang
As transaction fees skyrocket today, blockchains become increasingly expensive, hurting their adoption in broader applications. This work tackles the saving of transaction fees for…
iBatch: Saving Ethereum Fees via Secure and Cost-Effective Batching of Smart-Contract Invocations
Yibo Wang, Kai Li, Yuzhe Tang +4
This paper presents iBatch, a middleware system running on top of an operational Ethereum network to enable secure batching of smart-contract invocations against an untrusted relay…
Cost-Effective Data Feeds to Blockchains via Workload-Adaptive Data Replication
Kai Li, Yuzhe Tang, Jiaqi Chen +3
Feeding external data to a blockchain, a.k.a. data feed, is an essential task to enable blockchain interoperability and support emerging cross-domain applications, notably stableco…
Authenticated Key-Value Stores with Hardware Enclaves
Yuzhe Tang, Ju Chen, Kai Li +2
Authenticated data storage on an untrusted platform is an important computing paradigm for cloud applications ranging from big-data outsourcing, to cryptocurrency and certificate t…