fragmently

Blog

Technical articles about privacy, encryption, and building Fragmently.

EngineeringMay 2026

How we built E2E encryption for Fragmently

Deep dive into our dual-encryption architecture: RSA-2048 key pairs, session storage strategies, and why we encrypt every message twice.

6 min read
EngineeringApril 2026

Real-time messaging with WebSocket at scale

How we handle concurrent connections with a lightweight Node.js WebSocket server and room-based broadcasting.

4 min read
SecurityMarch 2026

Why we chose RSA over ECDH for message encryption

Trade-offs between performance, simplicity, and key management.

5 min read
DesignFebruary 2026

Designing a messenger UI from scratch

Our approach to building a Telegram-inspired interface with glass morphism and dark theme.

3 min read
ProductJanuary 2026

Building a premium subscription system

How we designed premium features without compromising the free experience.

4 min read
StoryDecember 2025

From open-source to a messenger: the Fragmently story

Two developers, dozens of libraries, and one big idea.

7 min read