Also, at that point it was not this global number that was used to identify you everywhere. It was your registration number in the Social Security system, not m

Also, at that point it was not this global number that was used to identify you everywhere. It was your registration number in the Social Security system, not more. Well, you could use it to pay into somebody else‘s pension ¯\_(ツ)_/¯ Aomebody linked a CGP Grey video above that goes into details.