5 papers · 1 filter
Continual Learning With Participation Privacy: An Auditable Buffering-Aggregation Recipe
T-H. Hubert Chan, Elaine Shi, Mengshi Zhao +1
Modern federated and streaming learning systems often release intermediate models, so privacy must hold for the full trajectory under adaptive interaction. Motivated by participati…
KBF: Knowledge Boundary as Fingerprint for Language Model and Black-Box API Auditing
Yijia Fang, Yiqing Feng, Bingyu Li +1
Relay and reseller APIs increasingly intermediate access to large language models (LLMs), but users have no direct way to verify that a claimed endpoint is actually serving the adv…
Bifrost: A Much Simpler Secure Two-Party Data Join Protocol for Secure Data Analytics
Shuyu Chen, Mingxun Zhou, Haoyu Niu +2
Secure data join enables two parties with vertically distributed data to securely compute the joined table, allowing the parties to perform downstream Secure multi-party computatio…
PMark: Towards Robust and Distortion-free Semantic-level Watermarking with Channel Constraints
Jiahao Huo, Shuliang Liu, Bin Wang +5
Semantic-level watermarking (SWM) for large language models (LLMs) enhances watermarking robustness against text modifications and paraphrasing attacks by treating the sentence as…
SquirRL: Automating Attack Analysis on Blockchain Incentive Mechanisms with Deep Reinforcement Learning
Charlie Hou, Mingxun Zhou, Yan Ji +4
Incentive mechanisms are central to the functionality of permissionless blockchains: they incentivize participants to run and secure the underlying consensus protocol. Designing in…