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#authentication

User authentication mechanisms

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JWT Auth Without the Confusion

JWT Auth Without the Confusion

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2 min read
The Hardest Part of a White-Label SaaS Was One Login Form

The Hardest Part of a White-Label SaaS Was One Login Form

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5 min read
How to Inspect a JWT Without Uploading a Production Token

How to Inspect a JWT Without Uploading a Production Token

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4 min read
Why SSO integrations pass SIT and fail in production

Why SSO integrations pass SIT and fail in production

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9 min read
HS256 vs RS256: Which JWT Signing Algorithm Does Your Auth Provider Actually Use?

HS256 vs RS256: Which JWT Signing Algorithm Does Your Auth Provider Actually Use?

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3 min read
Facebook Signup APIs Need Inbox Isolation

Facebook Signup APIs Need Inbox Isolation

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4 min read
Passwordless OTP Needs Inbox Boundaries

Passwordless OTP Needs Inbox Boundaries

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4 min read
🔐 Authentication vs Authorization: The Mistakes That Cause Security Bugs

🔐 Authentication vs Authorization: The Mistakes That Cause Security Bugs

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3 min read
Your OTP resend button is a race condition (and it's charging you twice)

Your OTP resend button is a race condition (and it's charging you twice)

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7 min read
We Fixed the Same Auth Bug Three Times Before We Admitted It Was One Bug

We Fixed the Same Auth Bug Three Times Before We Admitted It Was One Bug

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3 min read
SonicJS Auth Gotchas on Cloudflare: Signup, Credentials, and RBAC - Part 3

SonicJS Auth Gotchas on Cloudflare: Signup, Credentials, and RBAC - Part 3

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3 min read
JWT Authentication in NestJS

JWT Authentication in NestJS

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8 min read
Multi-Factor Authentication (MFA)

Multi-Factor Authentication (MFA)

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9 min read
Adding OAuth and Social Login

Adding OAuth and Social Login

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10 min read
Beyond Passkeys and OTP: Why I Built a Protocol for the Authentication Gaps We Keep Ignoring

Beyond Passkeys and OTP: Why I Built a Protocol for the Authentication Gaps We Keep Ignoring

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6 min read
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