Andy (אברהם נפתלי) Blumenthal Leadership, Technology, Life, and Faith ✡

Please see my new article in The Times of Israel called " Lessons From Israel In Stopping Ransomware ." Israel is a small, but pow...

  Bitcoin is a failure waiting to happen. It is being sold as a hedge against not only inflation, but also doomsday! However, Bitcoin is not...

There always seem to be another mania.  From the Tulips Mania in 1637, when a tulip went for more than 10x what a skilled workman earned...

So the world is continuing to go nuts--and it's like everyone is behaving like Negan from The Walking Dead! North Korea has achieved...

So why is our dollar bill so darn green, grimmy, germy, and generally ugly-looking? I took this photo of a painting of a pretty nicely d...

Coming to work this week, I saw a penny on the ground...then another...and another. I saw people passing the money, and instead of picki...