You can zap anyone you want (if they have a lightning wallet set up) as gratuity or another reason, and everyone can zap you (if you have a lightning wallet set up). 

 ooo fairr, i just like feel like i would not do this much, i will 200% look into it tho.
alsos, how the heck do i nip-46 or smt like that 

 What are trying to do? 

 tbh not sure, just explore rn I guess
just wanna get a feel for the place, yk?