activity
20092021
most citedSystematizing Decentralization and Privacy: Lessons from 15 Years of Research and Deployments

86 citations · 105 across the 6 of their papers we have counts for

collaborators

7 papers

cs.CR2021

Holistic Privacy and Usability of a Cryptocurrency Wallet

Harry Halpin

In this study, we overview the problems associated with the usability of cryptocurrency wallets, such as those used by ZCash, for end-users. The concept of "holistic privacy," wher…

cs.CR2020★ 5 cited

A Critique of Immunity Passports and W3C Decentralized Identifiers

Harry Halpin

Due to the widespread COVID-19 pandemic, there has been a push for `immunity passports' and even technical proposals. Although the debate about the medical and ethical problems of…

cs.NI2020★ 8 cited

Deconstructing the Decentralization Trilemma

Harry Halpin

The vast majority of applications at this moment rely on centralized servers to relay messages between clients, where these servers are considered trusted third-parties. With the r…

cs.CR2020★ 6 cited

SoK: Why Johnny Can't Fix PGP Standardization

Harry Halpin

Pretty Good Privacy (PGP) has long been the primary IETF standard for encrypting email, but suffers from widespread usability and security problems that have limited its adoption.…

cs.CR2017★ 86 cited

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…

cs.DB2014

Dynamic Provenance for SPARQL Update

Harry Halpin, James Cheney

While the Semantic Web currently can exhibit provenance information by using the W3C PROV standards, there is a "missing link" in connecting PROV to storing and querying for dynami…