Sadly, there’s no money in speculating on proof of life, real-time blockchains. I remember in the 90s when we were thinking about notification schemes to prove

Sadly, there’s no money in speculating on proof of life, real-time blockchains. I remember in the 90s when we were thinking about notification schemes to prove we were still alive and would post daily keepalive posts to show we were still alive. That wasn’t much fun so we didn’t keep doing it for long.