November 25, 2024

New Research: Cheating on Exams with Smartwatches

A Belgian university recently banned all watches from exams due to the possibility of smartwatches being used to cheat. Similarly, some standardized tests in the U.S. like the GRE have banned all digital watches. These policies seems prudent, since today’s smartwatches could be used to smuggle in notes or even access websites during the test. However, their potential use […]

Your TV is spying on you, and what you can do about it

A recent UK observer with a packet sniffer noticed that his LG “smart” TV was sending all his viewing habits back to an LG server. This included filenames from an external USB disk. Add this atop observations that Samsung’s 2012-era “smart” TVs were riddled with security holes. (No word yet on the 2013 edition.) What’s […]

Why the Cornell paper on Bitcoin mining is important

    Joint post with Andrew Miller, University of Maryland. Bitcoin is broken, claims a new paper by Cornell researchers Ittay Eyal and Emin Gun Sirer. No it isn’t, respond Bitcoiners. Yes it is, say the authors. Our own Ed Felten weighed in with a detailed analysis, refuting the paper’s claim that a coalition of […]

Bitcoin isn't so broken after all

There has been a lot of noise in the Bitcoin world this week about a new paper by Ittay Eyal and Emin Gun Sirer (“ES” for short) of Cornell, which claims that Bitcoin mining is vulnerable to attack. In a companion blog post, Sirer says unequivocally that “bitcoin is broken.” Let me explain why I […]

When an Ethnographer met Edward Snowden

If you talk about ‘metadata’, ‘big data’ and ‘Big Brother’ just as easily as you order a pizza, ethnography and anthropology are probably not your first points of reference. But the outcome of a recent encounter of ethnographer Tom Boellstorff and Edward Snowden (not IRL but IRP), is that tech policy wonks and researchers should […]