This is by far the best explanation I've read about the basics of the blockchain and I'm quite sure even someone completely blind about code, making a sketch (I use to sketch when I don't understand completely or it is to much information) of what you've wrote can have a quiet good understand of what is in the base of the blockchain and how it works. Congrats! Impressive document here!
Question: Since hivemind will be in the middle and there is another modular layer of code (HAF), couldn't hivemind rewriten in C, isn't it C must powerful than Python?