Ory is the largest open source community in the world for cloud software application security. We maintain advanced open source security software solving authentication, authorization, access control, application network security, and delegation. Ory implements a variety of industry and best-practice standards including OAuth 2.0 / OAuth 2.1, OpenID Connect, Zero Trust Networking, Google Zanzibar Policy Framework, FIDO2 U2F, WebAuthn, TOTP, and more.

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Is it possible to have an unchangeable trait? Specifically, I want to generate a unique username during user registration, add it to their traits, and use it as a unique identifier across our platform, including for authentication. I need this username to be generated at registration and remain unchangeable.

I found this way to do it:
<https://github.com/ory/kratos/issues/2903>

<https://github.com/lus/kratos-readonly-traits>