Privacy and face matching
Does Matcha store the matching selfie?
The short answer
The matching selfie is stored as part of creating the personal gallery, and is used only to find that guest's photos from the same event. How Matcha retains and deletes information is described in the privacy policy.
The selfie is not shown to other guests, and it is not used for advertising, sold, or used to build a public face database.
A matching selfie is more sensitive than an ordinary photo. A guest who wants to access, correct, or delete their information can contact Matcha through the channels described in the privacy policy.
This question touches on privacy or data rights. The answer here is a general explanation; the binding documents are Matcha's Privacy Policy and Terms of Service.