---
title: "Discussion on \"Understanding OAuth2 & OpenID Connect (OIDC)\" | Hashnode"
description: "Discussion on \"Understanding OAuth2 & OpenID Connect (OIDC)\". A clear guide to how OAuth2 and OIDC work together to provide modern authentication and secure delegated access."
url: "https://hashnode.com/posts/understanding-oauth2-and-openid-connect-oidc/6936880916a15553aafb70af"
---

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# [Understanding OAuth2 & OpenID Connect (OIDC)](https://devpath-traveler.nguyenviettung.id.vn/understanding-oauth2-and-openid-connect-oidc?utm_source=hashnode&utm_medium=feed)

A clear guide to how OAuth2 and OIDC work together to provide modern authentication and secure delegated access.

Dec 8, 2025 · 11 min read · devpath-traveler.nguyenviettung.id.vn  
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-   [#identity-provider](https://hashnode.com/tag/identity-provider)
-   [#oauth2](https://hashnode.com/tag/oauth2)
-   [#openid-connect](https://hashnode.com/tag/openid-connect)
-   [#oidc](https://hashnode.com/tag/oidc)
-   [#authentication](https://hashnode.com/tag/authentication)
-   [#authorization](https://hashnode.com/tag/authorization)
-   [#jwt](https://hashnode.com/tag/jwt)
-   [#tokens](https://hashnode.com/tag/tokens)
-   [#web-security](https://hashnode.com/tag/web-security)
-   [#sso](https://hashnode.com/tag/sso)
-   [#identity-management](https://hashnode.com/tag/identity-management)
-   [#api-security](https://hashnode.com/tag/api-security)
-   [#login-systems](https://hashnode.com/tag/login-systems)
-   [#developer-guide](https://hashnode.com/tag/developer-guide)
-   [#infosec](https://hashnode.com/tag/infosec)

## Written by

[Nguyễn Việt Tùng](https://hashnode.com/@nvtung)

@nvtung · Ho Chi Minh City, Vietnam

  
[View profile](https://hashnode.com/@nvtung)

Senior Frontend System Designer

Senior-level Fullstack Web Developer with 10+ years experience, including 2 years of Team Lead position. Specializing in responsive design and full-stack web development across the Vue.js and .NET ecosystems. Skilled in Azure/AWS cloud infrastructure, focused on DevOps techniques such as CI/CD. Experienced in system design, especially with software architecture patterns such as microservices, BFF (backend-for-frontend). Hands-on with Agile practices in team leading, and AI-assisted coding.

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