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Engineering

How To Implement Passkeys with WebAuthn: Complete Developer Guide

A practical developer guide to passkey authentication and WebAuthn. Covers how passkeys work, registration and login flows, JavaScript code examples, best practices, and testing tips.

Fung
March 14, 2026
Engineering

What Is .well-known/openid-configuration? A Developer's Guide

Learn what .well-known/openid-configuration is, what every field in the discovery document means, and how to fetch it for Google, Okta, Azure, Keycloak, or your own OIDC provider.

March 6, 2026
Engineering

SSL vs TLS: What's the Difference and Why It Matters

SSL is deprecated and TLS is what your server actually uses — but why does everyone still call it SSL? Learn the history, the attacks that killed SSL, and what changed.

March 5, 2026
Engineering

What Is an SSL Certificate? A Developer's Guide

An SSL certificate does two things: encrypts your connection and verifies your server's identity. Learn how it works, the 3 certificate types, and what's inside one.

March 5, 2026

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