[pqwEfkvjs]

EU has already solved this problem 10+ years ago using electronic ID cards. You can transfer money, sign contracts etc with these. You have your private key on chip + PINs for 2nd factor auth. Why not build a block-chain on that tech?

[Thiez]

What use-case do you have in mind? Because your current suggestion sounds like "$existingThing, but with a blockchain!". What would this blockchain do?