NIP-24 defines additional optional fields for kind 0 user metadata beyond the basic name, about, and picture.

Extra Metadata Fields

  • display_name: An alternative, bigger name with richer characters than name
  • website: A web URL related to the event author
  • banner: URL to a wide (~1024x768) picture for optional background display
  • bot: Boolean indicating content is entirely or partially automated
  • birthday: Object with optional year, month, and day fields

Standard Tags

NIP-24 also standardizes general-purpose tags:

  • r: Web URL reference
  • i: External identifier
  • title: Name for various event types
  • t: Hashtag (must be lowercase)

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