Xinwen Fu

Towards an Efficient Defense against Deep Learning based Website Fingerprinting

2022

Website fingerprinting (WF) attacks allow an attacker to eavesdrop on the encrypted network traffic between a victim and an anonymous communication system so as to infer the real destination websites visited by a victim. Recently, …

Time Tells All: Deanonymization of Blockchain RPC Users with Zero Transaction Fee (Extended Version)

2025 · arXiv (Cornell University)

Remote Procedure Call (RPC) services have become a primary gateway for users to access public blockchains. While they offer significant convenience, RPC services also introduce critical privacy challenges that remain insufficiently examined. Existing deanonymization attacks …