I'd go with:

- permissionless
- censorship resistant
- portable identity 

It's not private, anyone can see anyone's signed events if they connect to the right relay.

 

 But it’s private in that the identity of the nsec user is private 

Or at least that’s what I meant 

 Words can be tricky things. 

 Brisket said what I was thinking, only with much more tact