# Nostr: Does NIP-05 prove someone’s real-world identity?

No.

2026-08-09
::
Switchboard Tech Services


![Nostr: Does NIP-05 prove someone’s real-world identity?](https://switchboardtechservices.com/static/images/defaults/guides.webp)

## Short answer

No. NIP-05 shows that a domain's published mapping points to a particular public key. It does not independently verify a person's legal name, job, or ownership of every account using that domain. A domain owner could change the mapping. For consequential claims, confirm the key through another trusted channel and treat the identifier as one clue, not a universal identity certificate.

## Sources

[NIP-05: Internet identifiers](https://github.com/nostr-protocol/nips/blob/master/05.md).

- Categories:
  [Nostr](https://switchboardtechservices.com/guides/categories/nostr/)
- Tags:
  [#Nostr](https://switchboardtechservices.com/guides/tags/nostr/), [#Decentralized Social](https://switchboardtechservices.com/guides/tags/decentralized-social/), [#Open Protocols](https://switchboardtechservices.com/guides/tags/open-protocols/), [#Digital Identity](https://switchboardtechservices.com/guides/tags/digital-identity/)

[Guides RSS](https://switchboardtechservices.com/feeds/guides.xml "Subscribe using an RSS reader")

---

Canonical URL: https://switchboardtechservices.com/guides/nostr-does-nip-05-prove-someone-s-real-world-identity/

Language: en-us

Content type: guide

Author: Switchboard Tech Services

Published: 2026-08-09T22:42:09+00:00

Description: A practical answer to Does NIP-05 prove someone’s real-world identity?
