you can check the court orders that signal publishes.
iirc: timestamps, ip addresses, destination user phone number (not from sender afaik, that's encrypted)
you can check the court orders that signal publishes.
iirc: timestamps, ip addresses, destination user phone number (not from sender afaik, that's encrypted)
So presumably with a unique IP, it would be possible to determine sender and receiver (however not likely in mass). If used with a VPN or Tor, it's much more difficult.