http://pwneduufdnxe3dvfwvnzlv5rt4xbfaepc6rw5pajekuwqxe32uivkyyd.onion/FAQs
As with any website, if you're concerned about the intent or security, don't use it. Is it possible to "deep link" directly to the search for an account? Sure, you can construct a link so that the search for a particular account happens automatically when it's loaded, just pass the name after the "account" path.