Comment by netsec_burn

Wow, it exists. I dreamed about having something like this in the US, with the possibility of changing your private key if you visit the DMV. It would make a significant difference in the fight against identity theft, versus our current system of having a number of which only 4 digits are "secret" (and I hear those are sequential too. Worse still, they are the same 4 digits everyone asks you for).