3 papers
cs.CR2026
Hidden Backdoor Attack on Deep Contrastive Clustering
Zifeng Zhou, Shengda Zhuo, Jiahui Huang +6
Deep contrastive clustering has become a representative paradigm for unsupervised image clustering, yet its security under training-time poisoning remains largely unexplored. This…
cs.DC2026
Breaking Cycles for Scalable Fair Ordering in Blockchain Systems
Jinchun He, Wangjie Qiu, Yizhong Liu +2
In blockchain systems, transaction order directly determines financial outcomes: unfair ordering enables front-running and sandwich attacks that have extracted over $686M from Eth…
cs.CE2026
Tracing Your Account: A Gradient-Aware Dynamic Window Graph Framework for Ethereum under Privacy-Preserving Services
Miao Shuyi, Qiu Wangjie, Tu Xiaofan +3
With the rapid advancement of Web 3.0 technologies, public blockchain platforms are witnessing the emergence of novel services designed to enhance user privacy and anonymity. Howev…