Uploaded June 2026 | Updated September 2026, 3 weeks ago

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Most people know that VPNs encrypt internet traffic. Very few people have actually seen what that means.

🔗 Try the interactive simulation:
filipdelac.gumroad.com/l/InterceptYourOwnData

This interactive experiment lets you watch network traffic move through a simulated environment and see how encryption changes what an interceptor can and cannot observe.

Instead of memorizing technical definitions, you can explore the system yourself and understand the underlying concept through interaction.

📚 Learn more:
The page also includes a full explanation of the concepts behind the simulation.

Playable Concepts turns complex ideas into interactive experiments.

Learn by interacting.