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JWT vs Sessions vs API Keys: Which One to Use, and When
Blog Summary
"We use JWT" is often the answer for the web app, the mobile app and the partner integration alike. Sessions, JWTs and API keys solve different problems; here's how to tell which one each caller needs.
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Passkeys Explained: Is This Finally the End of Passwords?
Blog Summary
Passkeys can't be phished, reused or leaked from your database, and users log in with a fingerprint. So why do most sites still ask for a password? How passkeys work, what WebAuthn looks like in code, and the parts nobody mentions.
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Two-Factor Authentication: How Those Six-Digit TOTP Codes Actually Work
Blog Summary
Your authenticator app and the server agree on the same six digits with no network at all. Here's the shared secret, the 30-second clock and the HMAC behind it, plus where 2FA is strong and where it isn't.
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OAuth 2.0 Explained Without the Jargon: The Valet Key Guide
Blog Summary
OAuth is a valet key for your data: it lets an app park the car without reading your mail. The authorization code flow with PKCE explained step by step, plus scopes, tokens and OAuth vs OpenID Connect.
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JWT Explained: What's Inside the Token and What Can Go Wrong
Blog Summary
Paste any JWT into a decoder and you can read it, no key needed. That surprises a lot of developers. Here's what's really inside a token, why base64 isn't encryption, and the mistakes that cause real breaches.
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Cookies vs Tokens: Where Should Your Web App Keep the Session?
Blog Summary
That login token in localStorage is readable by every script on your page. Here's the real trade-off between HttpOnly cookies and tokens, XSS vs CSRF, and how Laravel Sanctum handles SPAs and mobile apps.
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01. About Shiroz
Mohammed Shiroz
Hi, I'm Mohammed Shiroz, a software engineer and AI enthusiast from Sri Lanka who turns ideas into intelligent, real-world solutions. With over 9 years of hands-on experience, I currently lead real estate ERP development at Kate Group, a...
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