Discovering the identity of online posters

[CS1983]

Set up secondary accounts through the library's computers. Use only them to access the web.

So they trace back to time/place with a sign-in sheet and security cameras in place?

[Great-Kazoo]

So they trace back to time/place with a sign-in sheet and security cameras in place?

If they get that deep, there's a shit load of other problems one has.
Once you log in or access any web site you're monitored. Again, use your cell phone for anything other than calls and text. Your vehicle have an easy pass, use safeway or kings grocery card? Credit card when fueling up, any purchase. ?

There's no escaping or avoiding "Them".