October 7, 2024

The future of ad blocking

There’s an ongoing arms race between ad blockers and websites — more and more sites either try to sneak their ads through or force users to disable ad blockers. Most previous discussions have assumed that this is a cat-and-mouse game that will escalate indefinitely. But in a new paper, accompanied by proof-of-concept code, we challenge […]

Dissecting the (Likely) Forthcoming Repeal of the FCC’s Privacy Rulemaking

Last week, the House and Senate both passed a joint resolution that prevents the new privacy rules from the Federal Communications Commission (FCC) from taking effect; the rules were released by the FCC last November, and would have bound Internet Service Providers (ISPs) in the United States to a set of practices concerning the collection and […]

Questions for the FBI on Encryption Mandates

I wrote on Monday about how to analyze a proposal to mandate access to encrypted data. FBI Director James Comey, at the University of Texas last week, talked about encryption policy and his hope that some kind of exceptional access for law enforcement will become available. (Here’s a video.)  Let’s look at what Director Comey […]

How to Analyze An Encryption Access Proposal

It looks like the idea of requiring law enforcement access to encrypted data is back in the news, with the UK government apparently pushing for access in the wake of the recent London attack. With that in mind, let’s talk about how one can go about analyzing a proposed access mandate. The first thing to […]

How to buy physical goods using Bitcoin with improved security and privacy

Bitcoin has found success as a decentralized digital currency, but it is only one step toward decentralized digital commerce. Indeed, creating decentralized marketplaces and mechanisms is a nascent and active area of research. In a new paper, we present escrow protocols for cryptocurrencies that bring us closer to decentralized commerce. In any online sale of […]