# QryptChat

> Quantum-resistant, end-to-end encrypted messaging by Profullstack, Inc.

QryptChat uses NIST-approved post-quantum algorithms (ML-KEM-1024 / CRYSTALS-Kyber and CRYSTALS-Dilithium) to protect messages against both current and future quantum-computer attacks. It is open source (MIT), self-hostable, and accessible over Tor.

## Key pages

- [Home](https://qrypt.chat/) — Product overview and feature highlights
- [About](https://qrypt.chat/about) — Mission, team, and differentiators
- [Security](https://qrypt.chat/security) — Encryption algorithms, zero-knowledge architecture, audit status
- [FAQ](https://qrypt.chat/faq) — Common questions about pricing, platforms, and post-quantum encryption
- [Pricing & Premium](https://qrypt.chat/premium) — Free vs. Premium tiers (free and open source)
- [Encryption Test](https://qrypt.chat/encryption-test) — Live ML-KEM-1024 demo in the browser
- [Contact](https://qrypt.chat/contact) — Support, security, and business contact emails
- [Privacy Policy](https://qrypt.chat/privacy) — Data minimization, GDPR rights, no ads or tracking
- [Terms of Service](https://qrypt.chat/terms) — Usage terms
- [Warrant Canary](https://qrypt.chat/warrant-canary) — Transparency statement

## Company

- **Name**: Profullstack, Inc.
- **Product**: QryptChat
- **Founded**: 2024
- **Team**: Anthony Ettinger (Founder & Developer), mrpthedev (Developer)
- **Support**: support@qrypt.chat
- **Security**: security@qrypt.chat
- **Business**: business@qrypt.chat
- **GitHub**: https://github.com/profullstack/qryptchat-web
- **License**: MIT
- **Pricing**: Free / open source