RELEASE ALL PROCESSES SECURELY & QUICKLY WITH OUR SECURE TAN APPThis app is finanzen.net zeros authorization app and NOT the trading app. You can find them under "finanzen.net zero Aktien & ETF". With the free Secure TAN app from finanzen.net zero you can release your transactions, transfers and other processes conveniently, quickly and securely.Simply register your mobile phone or several devices online. For example, as soon as you want to release a session in the future, you will be notified via push function and asked to release it directly in the app. So you can trade even easier and more efficiently! 1. Open a depot at finanzen.net/zero (if you have not already done so) and download our trading app "finanzen.net zero Aktien & ETF" if required2. Download this Secure TAN app as well3. After the depot has been fully opened, add the desired device in the administration area of the depot/administration/security & receive the activation code4. Scan the code and unlock the device5. Use the Secure TAN app for all approvals