http://ssd.iykpqm7jiradoeezzkhj7c4b33g4hbgfwelht2evxxeicbpjy44c7ead.onion/ps/module/how-use-tor-linux
Unlike traditional websites, which have a public IP address, a .onion address is hidden, unique, and provides end-to-end encryption . You can check a number of EFF sites this way , including Surveillance Self-Defense itself (this link will only work in the Tor Browser).