Proof-of-Work Alternatives: Massive electric consumption by cryptocurrency mining

Some blogs and news outlets eschew long titles. Publishers want readers to scan a list of topics that fit on one-line each. But, a better title for this article would be: “Massive electric consumption by cryptocurrency mining: An unfortunate environmental … Continue reading

Blind Signaling and Response presentation posted

Online services mine personal user data to monetize processes. That’s the business model of “free” services. Even if mining is consensual, policies and promises cannot guaranty privacy. It succumbs to error, administrative malfeasance, hackers, malware and overreaching governments. Is there a … Continue reading

Chilling developments in domestic spying

The US government is obsessed about your phone calls, email, web surfing and a log of everywhere that you travel. The obsession has become so intense over the past few years, that they have had to recast the definition of … Continue reading

$1 Billion kick-starts Facial Recognition of Everyone

For access to a home or automobile, most people use a key. Access to accounts or transactions on the Internet usually requires a password. In the language of security specialists, these authentication schemes are referred to as using something that you … Continue reading

Will Google “Do No Evil”?

Google captures and keeps a vast amount of personal information about its users. What do they do with all that data? Despite some very persistent misconceptions, the answer is “Nothing bad”. But they could do a much better job ensuring … Continue reading

Big biz & Uncle Sam like Tor, sort of…

Oceans of Data Try to visualize all the data about you that is recorded, stored or transmitted each day in one form or another. Consider every possible source, both public and private. What if it could all be put together, correlated with data … Continue reading

Thoughts on a “Korea Krash”

If you are reading this on January 16, 2018, then you are aware that Bitcoin (and the exchange rate of most other coins) fell by 20% today. Whenever I encounter a panic sell-off, the first thing that I do is … Continue reading