I live in Phoenix, Arizona and these are all around. Honestly I feel like the future everyone will have Waymo type services and no one will own cars or even need to learn how to drive one. Who needs to worry about car repairs insurance etc.

They do encrypt using WPA2 and firewall separation the network also supports VPN

I got back into using soulseek and have mp3s on my phone and on my pc. I find it rewarding for privacy and offline reliability purposes. Not to mention it’s free.