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beginner4 bits • 17 min totalPack 2 • ~$19–29 one-time
Privacy Basics
Protect yourself online by understanding how tracking works, what data you're sharing, and the tools that keep you safe.
🎯
Coming Soon: Privacy Basics Pack (~$19–29 one-time)
All bits remain free forever. The Privacy Basics pack will add deeper practice exercises, coding challenges, and guided projects. One-time purchase, no subscription.
Stored locally in your browser only. No email service yet.
Learning Path
1
Privacy
Cookies vs. localStorage
Websites remember you — but through different memory systems. Here's what's happening behind the scenes.
4 min
2
Privacy
How Web Tracking Works
Ads follow you around the web. Here's how they know where you've been.
4 min
3
Privacy
Public vs. Private Keys
You can give your public key to everyone. Your private key? That's for your eyes only.
5 min
4
Privacy
Why Use a Password Manager
Reusing passwords is dangerous. Remembering unique passwords for 100 sites is impossible. Password managers solve both.
4 min