Also, you try to use ONION, better than Monero. I am sure the mods will delete this post for mentioning ONION. They did in another post already. I wonder why the post about Monero wasn't deleted yet.
You can ask in meta.
Right from the get go, the thought of bitcoin to be super private was only the thought of newbies and inexperienced crypto user because it was stated before that bitcoin procedure are run through an unprecedented range of transparency and all it transactions are publicly stored on the block chain.
Finding the owner of an address is not as easy as it sounds though. What makes it easier to find who owns the address (identity, not some username in the internet) is either: it has lots of tx to an exchange address where the user has to undergo KYC, they use a payment processor that requires ID, etc.