http://usagib6danuxndqle3usrweloyskdeoelthqizr6wl7u3tnsmfwho5ad.onion/static/faq.html
There are three kinds of tripcodes that can identify yourself with, however, it's recommended that you use secure tripcodes only if you take your identification number seriously. Secure tripcode: Type in your name in the "Name" field, and then a double hash mark (##) which is followed by a password.