59 citations · 154 across the 7 of their papers we have counts for
7 papers · 1 filter
CoviChain: A Blockchain Based COVID-19 Vaccination Passport
Philip Bradish, Sarang Chaudhari, Michael Clear +1
Vaccination passports are being issued by governments around the world in order to open up their travel and hospitality sectors. Civil liberty campaigners on the other hand argue t…
zkHawk: Practical Private Smart Contracts from MPC-based Hawk
Aritra Banerjee, Michael Clear, Hitesh Tewari
Cryptocurrencies have received a lot of research attention in recent years following the release of the first cryptocurrency Bitcoin. With the rise in cryptocurrency transactions,…
Framework for a DLT Based COVID-19 Passport
Sarang Chaudhari, Michael Clear, Hitesh Tewari
Uniquely identifying individuals across the various networks they interact with on a daily basis remains a challenge for the digital world that we live in, and therefore the develo…
Demystifying the Role of zk-SNARKs in Zcash
Aritra Banerjee, Michael Clear, Hitesh Tewari
Zero-knowledge proofs have always provided a clear solution when it comes to conveying information from a prover to a verifier or vice versa without revealing essential information…
Securing Vehicle to Vehicle Communications using Blockchain through Visible Light and Acoustic Side-Channels
Sean Rowan, Michael Clear, Mario Gerla +2
Autonomous and self-driving vehicles are appearing on the public highways. These vehicles commonly use wireless communication techniques for both vehicle-to-vehicle and vehicle-to-…
Lightweight Self-Bootstrapping Multiparty Computations of Time-Series Data with Custom Collusion Tolerance
Michael Clear, Constantinos Patsakis, Paul Laird
In this work we compare two recent multiparty computation (MPC) protocols for private summation in terms of performance. Both protocols allow multiple rounds of aggregation from th…
Homomorphic Encryption with Access Policies: Characterization and New Constructions
Michael Clear, Arthur Hughes, Hitesh Tewari
A characterization of predicate encryption (PE) with support for homomorphic operations is presented and we describe the homomorphic properties of some existing PE constructions. E…