Haven Blog

Privacy, encryption,
and secure communication.

Practical writing on the tools, protocols, and trade-offs behind private communication — without the marketing spin.

Privacy & Security

Your Encrypted App Has a Leak. It's Called Metadata.

Encryption protects what you say. It says nothing about when, to whom, how often, or from where — and that pattern reveals more than most people are comfortable admitting.

April 24, 20268 min read
Cryptography

Encryption Is Not Privacy. Here's the Difference.

Every privacy tool encrypts something. Almost none of them guarantee privacy. Conflating the two is how security theater happens.

April 24, 20267 min read
Privacy & Email

Why Email Is Still the Most Important Thing to Encrypt

Signal and Telegram get the headlines. Meanwhile, your unencrypted inbox holds the keys to your entire digital identity.

April 24, 20268 min read
Guide

Building a Complete Privacy Stack in 2026: Email, Chat, and Files

A practical guide to replacing Gmail, iMessage, and Google Drive with genuinely private alternatives — without needing a computer science degree to set it up.

April 21, 202610 min read
Privacy & Email

The Honest Case for Leaving ProtonMail in 2026

ProtonMail earned its reputation — but its limitations are showing. Here's what power users switch to, and what to actually look for.

April 21, 20268 min read
Privacy & Identity

Signal Requires Your Phone Number. That's a Bigger Problem Than You Think.

Signal's cryptography is excellent. The weak link isn't the encryption — it's the identity model.

April 21, 20267 min read
Cryptography

Zero-Knowledge Email: What It Means, What It Doesn't

"Zero knowledge" is the most abused term in privacy marketing. Here's what it actually requires cryptographically.

April 21, 20267 min read
Cryptography

MLS: The Encryption Protocol Designed to Fix Group Chat

RFC 9420 introduces Messaging Layer Security — a standardized protocol that solves group encryption's biggest problems.

April 21, 20269 min read