20 citations · 48 across the 5 of their papers we have counts for
8 papers · 1 filter
Blockchain Transaction Simulation Phishing
Xiaocan Wang, Shixuan Guan, Tong Yang +3
Cryptocurrency users have increasingly become targets of phishing and scam attacks. To mitigate these threats, leading crypto wallets (e.g., MetaMask) have introduced transaction s…
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…
Towards Automated Discovery of Asymmetric Mempool DoS in Blockchains
Yibo Wang, Yuzhe Tang, Kai Li +2
In blockchains, mempool controls transaction flow before consensus, denial of whose service hurts the health and security of blockchain networks. This paper presents MPFUZZ, the fi…
Towards Understanding and Characterizing the Arbitrage Bot Scam In the Wild
Kai Li, Shixuan Guan, Darren Lee
This paper presents the first comprehensive analysis of an emerging cryptocurrency scam named "arbitrage bot" disseminated on online social networks. The scam revolves around Decen…
Defining and Preventing Asymmetric Mempool DoS in Ethereum with saferAd
Wanning Ding, Yibo Wang, Yuzhe Tang
This paper presents secure mempool designs under asymmetric DoS attacks. We formulate safety definitions under two abstract DoSes, namely eviction- and locking-based attacks. We pr…
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…