Privacy-Preserving Smart Contracts
Cryptographic technologies such as encryption and authentication provide stability to modern electronic commerce. Recent technologies such as Bitcoin have the potential to further enhance the way we conduct electronic commerce. In this talk, I will…
Reframing the Financial Inclusion Debate: Evidence from an Up-Close View of Check Cashers and Payday Lenders
What do a Mexican immigrant living in the South Bronx, a twenty-something graduate student, and a telemarketer in Dallas have in common? All three are victims of our dysfunctional mainstream bank and credit system. As…
Efficient Zero-Knowledge Authenticated Data Structures
With the advent of cloud storage and computing, adopting cloud services to reduce operational, maintenance and storage costs, is becoming increasingly common — both for individuals and corporations. However, the fact that the data owner…
Privacy-Free Garbled Circuits with Applications to Efficient Zero-Knowledge
In the last few years garbled circuits (GC) have been elevated from being merely a component in Yao’s protocol for secure two-party computation, to a cryptographic primitive in its own right, following the growing number…
Security Games: Key Algorithmic Principles, Deployed Applications and Research Challenges
Security is a critical concern around the world, whether it is the challenge of protecting ports, airports and other critical infrastructure, protecting endangered wildlife, forests and fisheries, suppressing urban crime or security in cyberspace. Unfortunately,…
Limitless Worker Surveillance
Efficient, Secure and Private Wide-Area Services in Untrusted Environments
Today, it is common to connect to Internet-based services through a variety of devices. While using the Internet, a user’s information is exposed to untrusted or unreliable environments, from the applications they are using, to…