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.

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📝 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