Signal, Matrix, and the Protocol Wars
Two visions of how chat should work — one app-led, one federated — and why it matters to you.
How End-to-End Encryption Actually Works
Keys, not magic. A plain-language walk through what 'end-to-end' really means.
Federated vs Centralized Chat
Email is federated; WhatsApp isn't. What that trade-off costs and buys.
What Even Is a Messaging Protocol?
IRC, XMPP, Matrix, the Signal Protocol — the rulebooks that let clients talk.