NIP-33

Parameterized replaceable events

NIP-33 lets a user publish named records that can be updated over time. It is useful for profiles, lists, articles, and app data where the latest version matters.

NIP-33 is one of the small agreements that lets different Nostr apps understand the same kind of activity. In everyday terms, it is like agreeing on the shape of a form: once everyone uses the same form for parameterized replaceable events, people can move between apps without losing the meaning of what they created.

Read more in the official 33.md NIP document.