← Back to all work
Encrypted Communications PWA

Secure Enterprise Messaging

Enterprise Client

100%Data Sovereignty
FullGDPR Compliance
<50msMessage Latency
E2EEncryption

Consumer chat apps posed GDPR risks

The client's teams were using WhatsApp for internal communication — creating Shadow IT risks, no DPAs with Meta, and zero control over data retention or Subject Access Requests.

EU-hosted zero-knowledge architecture

A proprietary messaging ecosystem hosted exclusively within the EU. End-to-end encryption ensures the server never sees plaintext. Centralised user management with enforced retention policies and comprehensive audit logs.

2024-05-20

feat: implement Signal Protocol via WebAssembly

Compiled C-level cryptography to WebAssembly for browser-native execution. All messages encrypted locally before transit over WebSockets.

Complete data sovereignty achieved

The organisation now has absolute control over all communications data. Full GDPR Article 5 & 32 compliance, sub-50ms message delivery, and zero data leakage to third-party cloud services.

100%
sovereignty
GDPR Full
compliance
<50ms
latency
Zero
leakage

Technology stack

React
Node.js
Socket.io
Web Crypto API
IndexedDB
WebAssembly

Live Preview

Open in new tab

Ready to build something like this?

Let's talk about your project and see how we can help.

Get in touch