This is really dumb sorry. Just one great big "waddabout" going on and on about problems OTHER tech has, and not addressing my question at all. I'll ask again.
The University sends your medical degree to someone with the same surname as you by mistake and you get their basket weaving degree. They refuse to return it.
What do you do? You go to the university, and they check their CENTRALISED MASTER RECORD, notice the mistake, and fix it.
So. #1: Why do you need blockchain at all? #2: How can you have your blockchain system WITHOUT also having a centralised database somewhere?
The answer, as always with blockchain, is "So I can sell you a token." Always.
The University sends your medical degree to someone with the same surname as you by mistake and you get their basket weaving degree. They refuse to return it.
What do you do? You go to the university, and they check their CENTRALISED MASTER RECORD, notice the mistake, and fix it.
So. #1: Why do you need blockchain at all? #2: How can you have your blockchain system WITHOUT also having a centralised database somewhere?
The answer, as always with blockchain, is "So I can sell you a token." Always.