Firefox with Betterfox user script. Then from there is a bunch privacy focused/oriented extensions. I also harden my DNS with custom host files from StevenBlack. I also point all my devices to NextDNS as another catch and also to standardize things as I use NextDNS to manage my kids access to the world.
I do need to create a private VPN (of my own) still so my mobile devices can be setup behind StevenBlack host entries.
Came here to say that if you like this concept, Peter Hamilton has a book series called Commonwealth Saga in the science fiction category that is excellent. Lots of pseudoscience from early 2000s in that series.