It's not your app. It's Ubers app, installed on your phone. How do you know Uber hasn't screwed with your app? And how does the driver know that you are not sc

It's not your app. It's Ubers app, installed on your phone. How do you know Uber hasn't screwed with your app? And how does the driver know that you are not screwing him with a tampered app? It's not only you and the driver that need mutual trust either, the tax administration also has to trust the app.