# \#auth

**URL:** https://forum.canton.network/tag/auth/321.md

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## [Validation of a nested JWT](https://forum.canton.network/t/validation-of-a-nested-jwt/6444)

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**Author:** [@Mr\_Mannoroth](https://forum.canton.network/u/Mr_Mannoroth)\
**Replies:** 3\
**Last updated:** [April 19, 2023, 7:01pm UTC](https://forum.canton.network/t/validation-of-a-nested-jwt/6444 "2023-04-19T19:01:24Z")

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Is there a way for Canton to validate the JWT if it is nested, for example: { “param1”: “value1”, “param2”: “value2”, “nestedJWT”: { "aud": "someParticipantId", "sub": "someUserId", …

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## [Auth0 - multiple audiences in access token](https://forum.canton.network/t/auth0-multiple-audiences-in-access-token/6341)

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**Author:** [@huw](https://forum.canton.network/u/huw)\
**Replies:** 2\
**Last updated:** [March 27, 2023, 8:56pm UTC](https://forum.canton.network/t/auth0-multiple-audiences-in-access-token/6341 "2023-03-27T20:56:52Z")

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I have tried following the docs here on how to setup Auth0 single page application so it can generate ledger API access tokens: Easy authentication for your distributed app with Daml and Auth0 Secure DAML Infrastructur…

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## [User Access Token](https://forum.canton.network/t/user-access-token/6232)

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**Author:** [@Mr\_Mannoroth](https://forum.canton.network/u/Mr_Mannoroth)\
**Replies:** 3\
**Last updated:** [March 7, 2023, 1:30pm UTC](https://forum.canton.network/t/user-access-token/6232 "2023-03-07T13:30:06Z")

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Based on the Audience-Based Tokens section in the documentation, wrt the following format: { "aud": "https://daml.com/jwt/aud/participant/someParticipantId", "sub": "someUserId", "exp": 1300819380 } I need to …