The Mobile SDKs for Android and iOS run purely locally. Personal data never ends up on our servers. However, we do require an internet connection to retrieve machine learning-based algorithms and data. Moreover, after scanning, we briefly connect to the Verifai server to let us know if the scan was successful. We only do this for statistical and invoicing purposes. All personal and privacy-sensitive data stays on the device. It's up to you to transfer this data and process it into your own systems.