Time-based One-Time Passwords (TOTP) Explained | Secure 2FA Made Simple

In this video, José Cruz breaks down everything you need to know about Time-based One-Time Passwords (TOTP). From the basics of what TOTP is, why it’s important for security, where it’s used, to a clear explanation of the algorithm and a live demo. Perfect for developers, IT architects, and security-conscious users who want to understand the power of 2FA codes beyond SMS.

You’ll see how the TOTP algorithm works step by step and how servers and client authenticators stay in sync. By the end, you’ll know exactly why TOTP is one of the most reliable methods of two-factor authentication.

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🗂️ What We’ll Cover
🔑 What is TOTP and why it matters
🛡️ How TOTP improves security compared to SMS codes
🌍 Where TOTP is commonly used (real-world examples)
⚙️ Step-by-step breakdown of the TOTP algorithm
🔗 How servers and authenticators sync securely
📚 Key takeaways for architects, developers and end-users
🎬 Live demo of TOTP in action