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What is a QR code?
You’ve probably seen these scannable symbols everywhere: restaurant menus, event tickets, or flight boarding passes. With just a quick scan using your phone’s camera, you can open a website, pick ...
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What is a password manager and why should you use one
Most of us have way more online accounts than we can keep track of. And sure, we all know we should be using strong, unique passwords for every single one, but let’s be honest, almost nobody actuall...
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Privacy vs. anonymity: Definitions, differences, and why it matters
Have you ever heard people use “privacy” and “anonymity” like they mean the same thing? They don’t. Privacy is about keeping your personal life to yourself, while anonymity is about hiding w...
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What is lattice-based cryptography, and why does it matter in the post-quantum era?
It’s easy to forget how much our lives depend on encryption. Every time you log into your bank account, send a message, or save a password, there’s some heavy-duty math working quietly in the back...
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What is post-quantum cryptography?
Quantum computers might still feel like something out of sci‑fi, but they’re improving fast, and one day, they could break the encryption schemes we rely on to keep the internet secure. That’s w...
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What is email tracking? How it works and how to stop it
Every day, billions of emails get opened, clicked, and quickly forgotten. But many of them come with invisible tools that quietly tell the sender when you opened the email, where you were, what device...
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How to disable end-to-end encryption in WhatsApp
WhatsApp’s end-to-end encryption is there to keep your chats private, so only you and the person you're messaging can read them. But there might be times when you want to change those settings. Mayb...
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What is browser fingerprinting? 7 ways to stop it (2025 guide)
Just as we leave physical fingerprints on the surfaces we touch, we also leave digital fingerprints on the websites we visit. This online fingerprinting can quietly track you across the web, without ...
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Gmail end-to-end encryption: How to truly secure your emails
Gmail is one of the most widely used email services in the world, but is it truly secure? While Gmail does use encryption, it’s not always as airtight as you might think. In this article, we’ll un...
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How to delete your Twitter account permanently
For years, Twitter (now X) has been the go-to place for breaking news, funny memes, and connecting with people across the globe. But whether it’s worries about how your data’s handled, wanting to ...
