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Rob Helmer's blog posts matching the tag: privacy

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Privacy-First Analytics — Ditching Cookie Banners for Better User Experience

6/19/2025 · 4 min read

Can You Ditch Cookie Banners and Still Get Useful Analytics?

Explore cookieless analytics with Umami to ditch cookie banners while keeping useful insights. Privacy-first approach to GDPR compliance.

Architecture diagram showing OAuth provider, auth worker encrypting PII with public key, ciphertext-only database, and separate email worker with private key.

3/24/2026 · 9 min read

Asymmetric Encryption for Player PII in Multiplayer Games

How HPKE encryption protects user email addresses and personal data so the server can't read them even if compromised.

Sequence diagram showing secure authentication flow with HttpOnly cookies between user, browser, auth server, and game server.

3/17/2026 · 7 min read

Building Secure Login Systems with HttpOnly Cookies

How HttpOnly cookies with CHIPS prevent XSS attacks and cross-site tracking while maintaining seamless authentication across subdomains.

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