It also depends on the amount of information that your government can collect, so a small mistake when logging in with your real address for a platform, e -mail, Facebook, PayPal, or even this forum may cost you to reveal your identity.
It is also difficult and rare to find a service in PN reliable. So if you are doing something wrong, or Bitcoin is banned in your country, it is better to move to another country.

Yes, the IP address can be tracked either from blocks of blocks, or when you coincide with your wallet (the knot that connects you will be able to see all your addresses.