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OAuth 2.0 Authorization Flows – Explain | Nexonoma

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Nexonoma Explain · Visual system model

OAuth 2.0 Authorization Flows

A secure OAuth 2.0 flow separates user consent, a short-lived authorization code, and token use through clearly bound roles and verification values.

6Scenes

4Graph nodes

7Minutes

4Audiences

Scenes

System map

Request delegated accessAssign authorization responsibility

Current scene · 01

The roles remain separate

The client requests access, the authorization server grants permission, and the resource server protects the actual data. An identity provider may handle sign-in; OpenID Connect adds identity claims.

OAuth delegates access; OpenID Connect adds identity.

Result of this step

Each component has one clearly bounded responsibility.

Connections in this scene

Client → OAuth 2.0Request delegated access
OAuth 2.0 → AuthorizationAssign authorization responsibility

Foundations and sources

RFC Editor: RFC 6749: The OAuth 2.0 Authorization Framework RFC Editor: RFC 9700: Best Current Practice for OAuth 2.0 Security ByteByteGo: OAuth 2.0 Flows

Last editorial review: 2026-08-26