nice writeup. might be a bit careful though, as far as i know port scanning might be technically not allowed by your campus's it policy... nonetheless great job!
2:50m/km. most people couldn't sustain that pace for even 2 minutes. id go as far as saying most people couldn't close their eyes and imagine consistently how fast that is.
Did you read the link? A NO bet on Joe Dart is a YES bet on Cory Wong + Others.
It is trivial. Saying NO to a candidate means you're saying YES to ALL other candidates with varying probabilities that would sum to the neg risk of that NO bet.
One of the author is from the Ethereum Foundation. Super interesting paper to read. This goes beyond just cryptocurrency. I wrote about it here a while ago: https://kaveh.page/blog/bitcoin-quantum-threat