Camarero

Convenient data transfer without having to fill out the form again every time: create an account and enter your data only once at the beginning. After that you can always check in with a QR code scan without entering any further data.

Here you can keep an eye on the visits of the last 4 weeks. The information where you were checked in is encrypted with your personal private key, which is only available on your device. So only you can read the data.