NIP-24
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Extra metadata fields and tags
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`draft` `optional` `author:fiatjaf`

This NIP defines extra optional fields added to events.

kind 0
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These are extra fields not specified in NIP-01 that may be present in the stringified JSON of metadata events:

  - `display_name`: an alternative, bigger name with richer characters than `name`. `name` should always be set regardless of the presence of `display_name` in the metadata.
  - `website`: a web URL related in any way to the event author.
  - `banner`: an URL to a wide (~1024x768) picture to be optionally displayed in the background of a profile screen.

### Deprecated fields

These are fields that should be ignored or removed when found in the wild:

  - `displayName`: use `display_name` instead.
  - `username`: use `name` instead.

kind 3
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These are extra fields not specified in NIP-02 that may be present in the stringified JSON of contacts events:

### Deprecated fields

  - `{<relay-url>: {"read": <true|false>, "write": <true|false>}, ...}`: an object of relays used by a user to read/write. [NIP-65](65.md) should be used instead.

tags
====

These tags may be present in multiple event kinds. Whenever a different meaning is not specified by some more specific NIP (currently only "r" tags on kind 10002 events have a different meaning), they have the following meaning:

  - `r`: a web URL the event is referring to in some way