yes. I have a Diaspora, another Fediverse platforms, account on diasp.org that I hav only ever accessed via their hidden tor service http://diasporg5tj4xz5mxkd5qnrppo7tbb6ynk2gtmjw5lmz6mtbesj3k6id.onion and their i2p connection http://diasporg.i2p , and i have no issue federating with friends that only use normie instances like Friendica. I have heard there are some maston imstances that support tor hidden service to. Maybe kolektiva.social?