5 papers
Distributed Security: From Isolated Properties to Synergistic Trust
Minghui Xu
Over the past four decades, distributed security has undergone a remarkable transformation -- from crash-fault tolerant protocols designed for controlled environments to sophistica…
The Agent Economy: A Blockchain-Based Foundation for Autonomous AI Agents
Minghui Xu
We propose the Agent Economy, a blockchain-based foundation where autonomous AI agents operate as economic peers to humans. Current agents lack independent legal identity, cannot h…
SilentLedger: Privacy-Preserving Auditing for Blockchains with Complete Non-Interactivity
Zihan Liu, Xiaohu Wang, Chao Lin +3
Privacy-preserving blockchain systems are essential for protecting transaction data, yet they must also provide auditability that enables auditors to recover participant identities…
ClusterUCB: Efficient Gradient-Based Data Selection for Targeted Fine-Tuning of LLMs
Zige Wang, Qi Zhu, Fei Mi +3
Gradient-based data influence approximation has been leveraged to select useful data samples in the supervised fine-tuning of large language models. However, the computation of gra…
Upcycling Noise for Federated Unlearning
Jianan Chen, Qin Hu, Fangtian Zhong +2
In Federated Learning (FL), multiple clients collaboratively train a model without sharing raw data. This paradigm can be further enhanced by Differential Privacy (DP) to protect l…