Anti theft
As always there is a white hat version. Hopefully the spec allows for some kind of “you were near this Bluetooth thingy recently, it’s owner says it is on a stolen item - click to report” baked in, without a custom URL so that you can still slip a tracker into a bag/motorcycle and hope it goes past a Good Samaritan and not just the thief. It’s then also evidence against a stalker if you accidentally report theirs, all cloudy and that
Otherwise it’s the end of “thieves stole my X, police did nothing, I found it” stories