grote

No one can, but isn't that the case for all software?

At least it is Free Software with reproducible builds, so you can audit the shit out of it.

Using Tor onion services that get exchanges when adding a contact nearby via WiFi or Bluetooth. If adding over the internet, a rendezvous service will be created.

This should be fixed in the next release.

The article says: "All the issues found by the audit have been addressed in this beta release."