OAuth2 & OpenID Tokens Explained | Access, ID, Refresh & Opaque Tokens
In this video, José Cruz breaks down everything you need to know about **OAuth2 and OpenID Connect tokens**. We’ll cover the key players in the authorization flow, explore different types of tokens (Access, ID, Refresh, Opaque), and compare JWT vs Opaque tokens. You’ll also learn real-world use cases, security best practices, and why tokens are essential for modern application security.
By the end, you’ll understand not just what tokens are, but how to use them securely in your applications.
---
📝 What You’ll Learn
Who the main OAuth2 players are
What tokens are and why they matter
Access Token: format, claims, and examples
ID Token: identity verification in OIDC
Refresh Token: keeping sessions alive
Opaque Tokens: introspection and revocation
JWT vs Opaque Tokens: pros & cons
Token storage & validation strategies
Security best practices for token handling
---
⏱️ Timestamps
00:00 Introduction & Key Players
04:40 What Are Tokens?
13:39 Access Token Explained
16:35 ID Token Explained
19:29 Refresh Token Explained
21:06 Opaque Tokens & Introspection
24:45 JWT vs Opaque Tokens
36:47 Token Storage & Validation
41:11 Security Best Practices
42:42 Conclusion & Takeaways
---
#OAuth2 #OpenIDConnect #JWT #AccessToken #IDToken #RefreshToken #OpaqueToken #APISecurity #Authentication #Authorization #SingleSignOn #CyberSecurity #SoftwareArchitecture #WebSecurity #DeveloperTips