Use your phone to unlock the bikes, that can be found in stations all around the city. With this app, you can buy the subscription that fits your needs, find bikes close to your location and chat with us if you need assistance.
This is the official app from Verona Bike.

You can save your trips into the Apple Health app so you'll get credited for the effort, if you're into that kind of thing. Give Health access via the account view within the app.