I think you might want to read this:
Using a hand drill to scramble an egg. It makes no sense at all.hackernoon.com
Your entire thesis is flawed; the block chain architecture was designed for a single purpose — to make Bitcoin possible. It has no advantage over a standard MySQL database in any other context.
As soon as you remove Bitcoin from the equation you have lost the purpose of a block chain. Every use case you cite here can be done in a MySQL + GPG arrangement.
Bitcoin will greatly benefit the world by forcing fiscal discipline on states, lifting people out of poverty by once more making savings the sole source of investment. This will happen with or without anyone’s understanding.