3 papers
cs.CR2025
Beyond the Hype: A Large-Scale Empirical Analysis of On-Chain Transactions in NFT Scams
Wenkai Li, Zongwei Li, Xiaoqi Li +3
Non-fungible tokens (NFTs) serve as a representative form of digital asset ownership and have attracted numerous investors, creators, and tech enthusiasts in recent years. However,…
cs.CR2025
DoS Attacks and Defense Technologies in Blockchain Systems: A Hierarchical Analysis
Chunyi Zhang, Fengjiao Dou, Xiaoqi Li
Blockchain technology is widely used in various fields due to its ability to provide decentralization and trustless security. This is a fundamental understanding held by many advoc…
cs.NI2025
Hybrid Wi-Fi/PDR Indoor Localization with Fingerprint Matching
Chunyi Zhang, Zongwei Li, Xiaoqi Li
Indoor position technology has become one of the research highlights in the Internet of Things (IoT), but there is still a lack of universal, low-cost, and high-precision solutions…