activity
20192026
most citedTopoShot: Uncovering Ethereum's Network Topology Leveraging Replacement Transactions

20 citations · 55 across the 11 of their papers we have counts for

collaborators

11 papers

cs.CR2026

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…

cs.CR2024

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…

cs.CR2023★ 2 cited

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…

cs.CR2023★ 13 cited

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…

cs.CR2023

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…

cs.CR2023★ 2 cited

Understanding the Cryptocurrency Free Giveaway Scam Disseminated on Twitter Lists

Kai Li, Darren Lee, Shixuan Guan

This paper presents a comprehensive analysis of the cryptocurrency free giveaway scam disseminated in a new distribution channel, Twitter lists. To collect and detect the scam in t…