Lyft should not be taking that much, 50% for them would be sufficient.  

 50% is also theft, a simple geo location based matching service doesn’t have to cost as much. There are ofcourse regulatory hurdles, but an open source nostr implementation can exist easily. 

 True 

 IIUC the geohash description provided here should work: https://github.com/sandwichfarm/nostr-geotags?tab=readme-ov-file#example-response  --> the driver could mention the radius they want to be available at, so can the person searching, ratings could be based on WoT.  What do you think  @arkinox ?

nostr:note1zhps6wp7rqchwlmp8s9wq3taramg849lczhds3h4wxvdm5vccc6qxa9zr8 

 You could call it:  "Killer Rides"