214 citations · 935 across the 39 of their papers we have counts for
10 papers · 1 filter
Financial Crimes in Web3-empowered Metaverse: Taxonomy, Countermeasures, and Opportunities
Jiajing Wu, Kaixin Lin, Dan Lin +3
At present, the concept of metaverse has sparked widespread attention from the public to major industries. With the rapid development of blockchain and Web3 technologies, the decen…
GANI: Global Attacks on Graph Neural Networks via Imperceptible Node Injections
Junyuan Fang, Haixian Wen, Jiajing Wu +3
Graph neural networks (GNNs) have found successful applications in various graph-related tasks. However, recent studies have shown that many GNNs are vulnerable to adversarial atta…
Time-aware Metapath Feature Augmentation for Ponzi Detection in Ethereum
Chengxiang Jin, Jiajun Zhou, Jie Jin +2
With the development of Web 3.0 which emphasizes decentralization, blockchain technology ushers in its revolution and also brings numerous challenges, particularly in the field of…
TSGN: Transaction Subgraph Networks Assisting Phishing Detection in Ethereum
Jinhuan Wang, Pengtao Chen, Xinyao Xu +4
Due to the decentralized and public nature of the Blockchain ecosystem, the malicious activities on the Ethereum platform impose immeasurable losses for the users. Existing phishin…
Temporal Analysis of Transaction Ego Networks with Different Labels on Ethereum
Baoying Huang, Jieli Liu, Jiajing Wu +2
Due to the widespread use of smart contracts, Ethereum has become the second-largest blockchain platform after Bitcoin. Many different types of Ethereum accounts (ICO, Mining, Gamb…
Heterogeneous Feature Augmentation for Ponzi Detection in Ethereum
Chengxiang Jin, Jie Jin, Jiajun Zhou +2
While blockchain technology triggers new industrial and technological revolutions, it also brings new challenges. Recently, a large number of new scams with a "blockchain" sock-pup…
Complex Network Analysis of the Bitcoin Transaction Network
Bishenghui Tao, Hong-Ning Dai, Jiajing Wu +3
In this brief, we conduct a complex-network analysis of the Bitcoin transaction network. In particular, we design a new sampling method, namely random walk with flying-back (RWFB),…
TRacer: Scalable Graph-based Transaction Tracing for Account-based Blockchain Trading Systems
Zhiying Wu, Jieli Liu, Jiajing Wu +1
Security incidents such as scams and hacks, have become a major threat to the health of the blockchain ecosystem, causing billions of dollars in losses each year for blockchain use…
Behavior-aware Account De-anonymization on Ethereum Interaction Graph
Jiajun Zhou, Chenkai Hu, Jianlei Chi +3
Blockchain technology has the characteristics of decentralization, traceability and tamper-proof, which creates a reliable decentralized trust mechanism, further accelerating the d…
Understanding the Decentralization of DPoS: Perspectives From Data-Driven Analysis on EOSIO
Jieli Liu, Weilin Zheng, Dingyuan Lu +2
Recently, many Delegated Proof-of-Stake (DPoS)-based blockchains have been widely used in decentralized applications, such as EOSIO, Tron, and Binance Smart Chain. Compared with tr…