Terrible name no? It’s a nostr name. Mine is rabble@nos.social which I got from using the nos.social app. Primal also lets folks get user@primal.net names.

But you don’t need to get your name from the folks who give you your app.

Here’s some more information on how it works with a directory of providers to choose from.

https://nostr.how/en/guides/get-verified