Islands instead of servers: how to build a messenger that survives server seizure
Summary
This article explains how to build a messenger that can keep working even if its main server is seized. It focuses on a decentralized architecture that combines P2P communication, federation, relay services, onion routing, and fallback transport layers to improve resilience and censorship resistance. The text also covers identity, contact discovery, delivery guarantees, and security features such as sealed sender and multihoming. It ends by pointing to beta access, a public federation server, and the project’s AGPL code repository.
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