Why use Tor for your Bitcoining?
Tor can be used to connect your node to other nodes or to connect your wallet to your node. Each type of connection over Tor has different purposes which this article explains.
All The Reasons You’ve Failed To Connect Electrum to Your Node Via Tor
Connecting to Tor is tricky. There are many things that can go wrong, and they aren’t intuitive. This guide lists all the potential ways I’ve found why Tor might not be working when you try to connect your wallet to your node.