Fung

Product Manager

Having an open relationship with code, design, and marketing

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Having an open relationship with code, design, and marketing

Posts by 

Fung

Engineering

Demonstrating Proof-of-Possession (DPoP): A Complete Guide for Modern OAuth Security

Learn what Demonstrating Proof-of-Possession (DPoP) is, why it’s important for secure APIs, and how to implement it. Includes practical examples for developers.

Fung
May 28, 2025
Engineering

Base64 Made Easy: How to Encode and Decode Data

Learn how Base64 encoding works, why it’s used, and how to encode or decode data safely. Includes practical examples and a free online Base64 tool.

Fung
May 28, 2025
Engineering

What Is SCIM Provisioning? A Practical Guide for SaaS Teams

Learn what SCIM provisioning is, how it works, its benefits and drawbacks, and how SaaS teams can implement it securely and at scale.

Fung
May 28, 2025
Engineering

How Do Authenticator Apps Work?

Learn how authenticator apps work: TOTP secrets, QR provisioning, clock drift, recovery codes, and why passkeys (WebAuthn) stop phishing.

Fung
May 28, 2025

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