28 citations · 84 across the 6 of their papers we have counts for
13 papers
Lifting The Grey Curtain: A First Look at the Ecosystem of CULPRITWARE
Zhuo Chen, Lei Wu, Jing Cheng +6
Mobile apps are extensively involved in cyber-crimes. Some apps are malware which compromise users' devices, while some others may lead to privacy leakage. Apart from them, there a…
VM Matters: A Comparison of WASM VMs and EVMs in the Performance of Blockchain Smart Contracts
Shuyu Zheng, Haoyu Wang, Lei Wu +2
WebAssemly is an emerging runtime for Web applications and has been supported in almost all browsers. Recently, WebAssembly is further regarded to be a the next-generation environm…
Towards Understanding and Demystifying Bitcoin Mixing Services
Lei Wu, Yufeng Hu, Yajin Zhou +5
One reason for the popularity of Bitcoin is due to its anonymity. Although several heuristics have been used to break the anonymity, new approaches are proposed to enhance its anon…
Towards A First Step to Understand Flash Loan and Its Applications in DeFi Ecosystem
Dabao Wang, Siwei Wu, Ziling Lin +5
Flash Loan, as an emerging service in the decentralized finance ecosystem, allows users to request a non-collateral loan. While providing convenience, it also enables attackers to…
Don't Fish in Troubled Waters! Characterizing Coronavirus-themed Cryptocurrency Scams
Pengcheng Xia, Haoyu Wang, Xiapu Luo +6
As COVID-19 has been spreading across the world since early 2020, a growing number of malicious campaigns are capitalizing the topic of COVID-19. COVID-19 themed cryptocurrency sca…
DEPOSafe: Demystifying the Fake Deposit Vulnerability in Ethereum Smart Contracts
Ru Ji, Ningyu He, Lei Wu +3
Cryptocurrency has seen an explosive growth in recent years, thanks to the evolvement of blockchain technology and its economic ecosystem. Besides Bitcoin, thousands of cryptocurre…