May 7, 2024

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 […]

U.S. Citizenship and N.S.A. Surveillance – Legal Safeguard or Practical Backdoor?

The main takeaway of two recent disclosures around N.S.A. surveillance practices, is that Americans must re-think ‘U.S. citizenship’ as the guiding legal principle to protect against untargeted surveillance of their communications. Currently, U.S. citizens may get some comfort through the usual political discourse that ‘ordinary Americans’ are protected, and this is all about foreigners. In […]