Very clear, thank you.
On the note of using blockchain for other use cases than Bitcoin, I found these two articles that throw a wet blanket over the blockchain-but-not-bitcoin hype:
"Talking about blockchain architectures could actually be a codeword for MySQL. Everything that these vendors offer can be done in a MySQL database centrally controlled and secured with GPG. I have described how this would work in a previous essay ."
https://hackernoon.com/why-central-banks-will-fail-at-digital-currency-2a0f47e827cb"Blockchain consultants have built prototypes for stock trading, asset registry, voting and payment clearance. But none of them have been commercially deployed because they are more expensive than simpler methods relying on established database and software stacks, as the government of Vermont recently concluded."
https://www.americanbanker.com/opinion/blockchain-wont-make-banks-any-nimblerThe future for niche use cases in blockchain should be sidechains/drivechains (not sure what the difference is between these 2) but the point is, blockchains that are backed by the main bitcoin blockchain and benefit from its hashrate and so on (even tho it could also be mined on its own I think), also no need to create a damn new token each time. Brief explanation by Andreas A here: