17 citations · 24 across the 5 of their papers we have counts for
6 papers
Outfox: a Packet Format for a Layered Mixnet
Alfredo Rial, Ania M. Piotrowska, Harry Halpin
Anonymous communication relies on encrypted packet formats that resist traffic analysis and ensure unlinkability. Sphinx, the current standard for mixnets, provides strong anonymit…
Compact and Divisible E-Cash with Threshold Issuance
Alfredo Rial, Ania M. Piotrowska
Decentralized, offline, and privacy-preserving e-cash could fulfil the need for both scalable and byzantine fault-resistant payment systems. Existing offline anonymous e-cash schem…
Studying the anonymity trilemma with a discrete-event mix network simulator
Ania M. Piotrowska
In this work, we present a discrete event mix network simulator, which allows analysing how anonymity, latency, and bandwidth overhead are affected by various scenarios of deployme…
An Empirical Analysis of Privacy in the Lightning Network
George Kappos, Haaroon Yousaf, Ania Piotrowska +4
Payment channel networks, and the Lightning Network in particular, seem to offer a solution to the lack of scalability and privacy offered by Bitcoin and other blockchain-based cry…
Extending the Anonymity of Zcash
George Kappos, Ania M. Piotrowska
Although Bitcoin in its original whitepaper stated that it offers anonymous transactions, de-anonymization techniques have found otherwise. Therefore, alternative cryptocurrencies,…
The Loopix Anonymity System
Ania Piotrowska, Jamie Hayes, Tariq Elahi +2
We present Loopix, a low-latency anonymous communication system that provides bi-directional 'third-party' sender and receiver anonymity and unobservability. Loopix leverages cover…