97 citations · 501 across the 35 of their papers we have counts for
42 papers
Smart Contract and DeFi Security Tools: Do They Meet the Needs of Practitioners?
Stefanos Chaliasos, Marcos Antonios Charalambous, Liyi Zhou +4
The growth of the decentralized finance (DeFi) ecosystem built on blockchain technology and smart contracts has led to an increased demand for secure and reliable smart contract de…
Auto.gov: Learning-based Governance for Decentralized Finance (DeFi)
Jiahua Xu, Yebo Feng, Daniel Perez +1
Decentralized finance (DeFi) is an integral component of the blockchain ecosystem, enabling a range of financial activities through smart-contract-based protocols. Traditional DeFi…
Blocked or Broken? Automatically Detecting When Privacy Interventions Break Websites
Michael Smith, Peter Snyder, Moritz Haller +3
A core problem in the development and maintenance of crowd-sourced filter lists is that their maintainers cannot confidently predict whether (and where) a new filter list rule will…
BatteryLab: A Collaborative Platform for Power Monitoring
Matteo Varvello, Kleomenis Katevas, Mihai Plesa +3
Advances in cloud computing have simplified the way that both software development and testing are performed. This is not true for battery testing for which state of the art test-b…
Pool-Party: Exploiting Browser Resource Pools as Side-Channels for Web Tracking
Peter Snyder, Soroush Karami, Arthur Edelstein +2
We identify class of covert channels in browsers that are not mitigated by current defenses, which we call "pool-party" attacks. Pool-party attacks allow sites to create covert cha…
Towards Private On-Chain Algorithmic Trading
Ceren Kocaoğullar, Arthur Gervais, Benjamin Livshits
While quantitative automation related to trading crypto-assets such as ERC-20 tokens has become relatively commonplace, with services such as 3Commas and Shrimpy offering user-frie…
PrivateFetch: Scalable Catalog Delivery in Privacy-Preserving Advertising
Muhammad Haris Mughees, Gonçalo Pestana, Alex Davidson +1
In order to preserve the possibility of an Internet that is free at the point of use, attention is turning to new solutions that would allow targeted advertisement delivery based o…
STAR: Secret Sharing for Private Threshold Aggregation Reporting
Alex Davidson, Peter Snyder, E. B. Quirk +3
Threshold aggregation reporting systems promise a practical, privacy-preserving solution for developers to learn how their applications are used "\emph{in-the-wild}". Unfortunately…
Security, Privacy, and Decentralization in Web3
Philipp Winter, Anna Harbluk Lorimer, Peter Snyder +1
Much of the recent excitement around decentralized finance (DeFi) comes from hopes that DeFi can be a secure, private, less centralized alternative to traditional finance systems.…
THEMIS: A Decentralized Privacy-Preserving Ad Platform with Reporting Integrity
Gonçalo Pestana, Iñigo Querejeta-Azurmendi, Panagiotis Papadopoulos +1
Online advertising fuels the (seemingly) free internet. However, although users can access most of the web services free of charge, they pay a heavy coston their privacy. They are…
Stronger Privacy for Federated Collaborative Filtering with Implicit Feedback
Lorenzo Minto, Moritz Haller, Hamed Haddadi +1
Recommender systems are commonly trained on centrally collected user interaction data like views or clicks. This practice however raises serious privacy concerns regarding the reco…
On the Just-In-Time Discovery of Profit-Generating Transactions in DeFi Protocols
Liyi Zhou, Kaihua Qin, Antoine Cully +2
In this paper, we investigate two methods that allow us to automatically create profitable DeFi trades, one well-suited to arbitrage and the other applicable to more complicated se…
Browselite: A Private Data Saving Solution for the Web
Conor Kelton, Matteo Varvello, Andrius Aucinas +1
The median webpage has increased in size by more than 80% in the last 4 years. This extra complexity allows for a rich browsing experience, but it hurts the majority of mobile user…
There's No Trick, Its Just a Simple Trick: A Web-Compat and Privacy Improving Approach to Third-party Web Storage
Jordan Jueckstock, Peter Snyder, Shaown Sarker +2
While much current web privacy research focuses on browser fingerprinting, the boring fact is that the majority of current third-party web tracking is conducted using traditional,…
Liquidations: DeFi on a Knife-edge
Daniel Perez, Sam M. Werner, Jiahua Xu +1
The trustless nature of permissionless blockchains renders overcollateralization a key safety component relied upon by decentralized finance (DeFi) protocols. Nonetheless, factors…
On the Battery Consumption of Mobile Browsers
Matteo Varvello, Benjamin Livshits
Mobile web browsing has recently surpassed desktop browsing both in term of popularity and traffic. Following its desktop counterpart, the mobile browsers ecosystem has been growin…
THEMIS: Decentralized and Trustless Ad Platform with Reporting Integrity
Gonçalo Pestana, Iñigo Querejeta-Azurmendi, Panagiotis Papadopoulos +1
Online advertising fuels the (seemingly) free internet. However, although users can access most websites free of charge, they need to pay a heavy cost on their privacy and blindly…
Improving Web Content Blocking With Event-Loop-Turn Granularity JavaScript Signatures
Quan Chen, Peter Snyder, Ben Livshits +1
Content blocking is an important part of a performant, user-serving, privacy respecting web. Most content blockers build trust labels over URLs. While useful, this approach has wel…
Attacking the DeFi Ecosystem with Flash Loans for Fun and Profit
Kaihua Qin, Liyi Zhou, Benjamin Livshits +1
Credit allows a lender to loan out surplus capital to a borrower. In the traditional economy, credit bears the risk that the borrower may default on its debt, the lender hence requ…
Revisiting Transactional Statistics of High-scalability Blockchains
Daniel Perez, Jiahua Xu, Benjamin Livshits
Scalability has been a bottleneck for major blockchains such as Bitcoin and Ethereum. Despite the significantly improved scalability claimed by several high--profile blockchain pro…
The Decentralized Financial Crisis
Lewis Gudgeon, Daniel Perez, Dominik Harz +2
The Global Financial Crisis of 2008, caused by the accumulation of excessive financial risk, inspired Satoshi Nakamoto to create Bitcoin. Now, more than ten years later, Decentrali…
ZKSENSE: A Friction-less Privacy-Preserving Human Attestation Mechanism for Mobile Devices
Iñigo Querejeta-Azurmendi, Panagiotis Papadopoulos, Matteo Varvello +3
Recent studies show that 20.4% of the internet traffic originates from automated agents. To identify and block such ill-intentioned traffic, mechanisms that verify the humanness of…
BatteryLab, A Distributed Power Monitoring Platform For Mobile Devices
Matteo Varvello, Kleomenis Katevas, Mihai Plesa +2
Recent advances in cloud computing have simplified the way that both software development and testing are performed. Unfortunately, this is not true for battery testing for which s…
Filter List Generation for Underserved Regions
Alexander Sjosten, Peter Snyder, Antonio Pastor +2
Filter lists play a large and growing role in protecting and assisting web users. The vast majority of popular filter lists are crowd-sourced, where a large number of people manual…