You could just pay someone actually in a location and proxy their signals That's technically detectable through round-trip timings (e.g. your apple watch needs

You could just pay someone actually in a location and proxy their signals That's technically detectable through round-trip timings (e.g. your apple watch needs to be close enough to your computer to unlock it – too far away and the round-trip time exceeds the allowed threshold). I still agree on the very minimal value though!