208 citations · 765 across the 27 of their papers we have counts for
9 papers · 2 filters
Consensus in the Age of Blockchains
Shehar Bano, Alberto Sonnino, Mustafa Al-Bassam +4
The blockchain initially gained traction in 2008 as the technology underlying bitcoin, but now has been employed in a diverse range of applications and created a global market wort…
A Touch of Evil: High-Assurance Cryptographic Hardware from Untrusted Components
Vasilios Mavroudis, Andrea Cerulli, Petr Svenda +3
The semiconductor industry is fully globalized and integrated circuits (ICs) are commonly defined, designed and fabricated in different premises across the world. This reduces prod…
Mix-ORAM: Using delegate shuffles
Raphael R. Toledo, George Danezis, Isao Echizen
Oblivious RAM (ORAM) is a key technology for providing private storage and querying on untrusted machines but is commonly seen as impractical due to the high overhead of the re-ran…
Chainspace: A Sharded Smart Contracts Platform
Mustafa Al-Bassam, Alberto Sonnino, Shehar Bano +2
Chainspace is a decentralized infrastructure, known as a distributed ledger, that supports user defined smart contracts and executes user-supplied transactions on their objects. Th…
Learning Universal Adversarial Perturbations with Generative Models
Jamie Hayes, George Danezis
Neural networks are known to be vulnerable to adversarial examples, inputs that have been intentionally perturbed to remain visually similar to the source input, but cause a miscla…
ClaimChain: Improving the Security and Privacy of In-band Key Distribution for Messaging
Bogdan Kulynych, Wouter Lueks, Marios Isaakidis +2
The social demand for email end-to-end encryption is barely supported by mainstream service providers. Autocrypt is a new community-driven open specification for e-mail encryption…
LOGAN: Membership Inference Attacks Against Generative Models
Jamie Hayes, Luca Melis, George Danezis +1
Generative models estimate the underlying distribution of a dataset to generate realistic samples according to that distribution. In this paper, we present the first membership inf…
Systematizing Decentralization and Privacy: Lessons from 15 Years of Research and Deployments
Carmela Troncoso, Marios Isaakidis, George Danezis +1
Decentralized systems are a subset of distributed systems where multiple authorities control different components and no authority is fully trusted by all. This implies that any co…
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…