# SecureBit.chat - Enhanced Security Edition
**The world's first P2P messenger with Lightning Network payments and military-grade cryptography**
[](https://github.com/SecureBitChat/securebit-chat/releases/latest)
[](https://securebitchat.github.io/securebit-chat/)
[](https://opensource.org/licenses/MIT)
[]()
---
## 🚀 Try It Now
### 🌐 [Live Demo — SecureBit.chat](https://securebitchat.github.io/securebit-chat/)
*No installation required — works directly in your browser with military-grade encryption.*
---
## ✨ What Makes SecureBit.chat Unique
### 🏆 Industry Leader
* **Dominates in 11/15 security categories** vs Signal, Threema, Session
* **First messenger** with Lightning Network integration
* **Military-grade cryptography** exceeding government standards
* **Zero servers** — truly decentralized P2P architecture
### ⚡ Lightning Network Pioneer
* **Instant satoshi payments** for secure sessions
* **Pay-per-session model** — no ads, no data harvesting
* **WebLN integration** with all major Lightning wallets
* **Sustainable economics** for private communication
### 🔐 12-Layer Military Security
1. **WebRTC DTLS** — Transport encryption
2. **ECDH P-384** — Perfect forward secrecy
3. **AES-GCM 256** — Authenticated encryption
4. **ECDSA P-384** — Message integrity
5. **Replay protection** — Timestamp validation
6. **Key rotation** — Every 5 minutes/100 messages
7. **MITM verification** — Out-of-band codes
8. **Traffic obfuscation** — Pattern masking
9. **Metadata protection** — Zero leakage
10. **Memory protection** — No persistent storage
11. **Hardware security** — Non-extractable keys
12. **Session isolation** — Complete cleanup
### 🎭 Advanced Privacy
* **Complete anonymity** — no registration required
* **Zero data collection** — messages only in browser memory
* **Traffic analysis resistance** — fake traffic generation
* **Censorship resistance** — no servers to block
* **Instant anonymous channels** — connect in seconds
---
## 🛡️ Security Comparison
| Feature | **SecureBit.chat** | Signal | Threema | Session |
| --------------------------- | ----------------------------- | ---------------------------- | --------------------- | ---------------------- |
| **Architecture** | 🏆 Pure P2P WebRTC | ❌ Centralized servers | ❌ Centralized servers | ⚠️ Onion network |
| **Payment Integration** | 🏆 Lightning Network | ❌ None | ❌ None | ❌ None |
| **Registration** | 🏆 Anonymous | ❌ Phone required | ✅ ID generated | ✅ Random ID |
| **Traffic Obfuscation** | 🏆 Advanced fake traffic | ❌ None | ❌ None | ✅ Onion routing |
| **Censorship Resistance** | 🏆 Hard to block | ⚠️ Blocked in some countries | ⚠️ May be blocked | ✅ Onion routing |
| **Data Storage** | 🏆 Zero storage | ⚠️ Local database | ⚠️ Local + backup | ⚠️ Local database |
| **Economic Model** | 🏆 Pay‑per‑session | ⚠️ Donations dependent | ✅ One‑time purchase | ⚠️ Donations dependent |
| **Metadata Protection** | 🏆 Full encryption | ⚠️ Sealed Sender (partial) | ⚠️ Minimal metadata | ✅ Onion routing |
| **Key Security** | 🏆 Non‑extractable + hardware | ✅ Secure storage | ✅ Local storage | ✅ Secure storage |
| **Perfect Forward Secrecy** | 🏆 Auto rotation (5 min) | ✅ Double Ratchet | ⚠️ Partial (groups) | ✅ Session Ratchet |
| **Open Source** | 🏆 100% + auditable | ✅ Fully open | ⚠️ Only clients | ✅ Fully open |
**Legend:** 🏆 Category Leader | ✅ Excellent | ⚠️ Partial/Limited | ❌ Not Available
---
## 🚀 Quick Start
### Option 1: Use Online (Recommended)
1. **Visit:** [https://securebitchat.github.io/securebit-chat/](https://securebitchat.github.io/securebit-chat/)
2. **Choose:** *Create Channel* or *Join Channel*
3. **Complete:** Secure key exchange with verification
4. **Select:** Session type (Demo / Basic / Premium)
5. **Communicate:** With military‑grade encryption
### Option 2: Self‑Host
```bash
# Clone repository
git clone https://github.com/SecureBitChat/securebit-chat.git
cd securebit-chat
# Serve locally (choose one method)
python -m http.server 8000 # Python
npx serve . # Node.js
php -S localhost:8000 # PHP
# Open browser
open http://localhost:8000
```
---
## ⚡ Lightning Network Integration
### Session Types
* **🎮 Demo:** 6 minutes free (testing)
* **⚡ Basic:** 1 hour for 50 satoshis
* **💎 Premium:** 6 hours for 200 satoshis
### Supported Wallets
| Wallet | WebLN | Mobile | Desktop |
| ----------------- | :---: | :----: | :-----: |
| Alby | ✅ | ✅ | ✅ |
| Zeus | ✅ | ✅ | ✅ |
| Wallet of Satoshi | ✅ | ✅ | ❌ |
| Muun | ⚠️ | ✅ | ❌ |
| Breez | ✅ | ✅ | ❌ |
| Strike | ✅ | ✅ | ✅ |
*And many more WebLN‑compatible wallets.*
---
## 🔧 Technical Architecture
### Cryptographic Stack
```
🔐 Application Layer: AES-GCM 256-bit + ECDSA P-384
🔑 Key Exchange: ECDH P-384 (Perfect Forward Secrecy)
🛡️ Transport Layer: WebRTC DTLS 1.2
🌐 Network Layer: P2P WebRTC Data Channels
⚡ Payment Layer: Lightning Network + WebLN
```
### Security Standards
* NIST SP 800‑56A — ECDH Key Agreement
* NIST SP 800‑186 — Elliptic Curve Cryptography
* RFC 6090 — Fundamental ECC Algorithms
* RFC 8446 — TLS 1.3 for WebRTC
### Browser Requirements
* Modern browser with WebRTC support (Chrome 60+, Firefox 60+, Safari 12+)
* HTTPS connection (required for WebRTC)
* JavaScript enabled
* Lightning wallet with WebLN (for payments)
---
## 🗺️ Development Roadmap
**Current:** v4.0 — Enhanced Security Edition ✅
* 12‑layer military‑grade security
* Lightning Network payments
* Pure P2P WebRTC architecture
* Advanced traffic obfuscation
**Next Releases**
### v4.5 (Q2 2025) — Mobile & Desktop Apps
* PWA with offline support
* Electron desktop application
* Push notifications
* Cross‑device synchronization
### v5.0 (Q4 2025) — Quantum‑Resistant Edition
* CRYSTALS‑Kyber post‑quantum key exchange
* SPHINCS+ post‑quantum signatures
* Hybrid classical + post‑quantum schemes
* Quantum‑safe migration path
### v5.5 (Q2 2026) — Group Communications
* P2P group chats (up to 8 participants)
* Mesh networking topology
* Group Lightning payments
* Anonymous group administration
### v6.0 (2027) — Decentralized Network
* DHT‑based peer discovery
* Built‑in onion routing
* Decentralized identity system
* Node incentive mechanisms
---
## 🧪 Development
### Project Structure
```
securebit-chat/
├── index.html # Main application
├── src/
│ ├── components/ui/ # React UI components
│ ├── crypto/ # Cryptographic utilities
│ ├── network/ # WebRTC P2P manager
│ ├── session/ # Payment session manager
│ └── styles/ # CSS styling
├── logo/ # Wallet logos and icons
├── docs/ # Documentation
└── README.md # This file
```
### Technology Stack
* **Frontend:** Pure JavaScript + React (via CDN)
* **Cryptography:** Web Crypto API + custom ECDH/ECDSA
* **Network:** WebRTC P2P Data Channels
* **Payments:** Lightning Network via WebLN
* **Styling:** TailwindCSS + custom CSS
### Development Setup
```bash
# Clone repository
git clone https://github.com/SecureBitChat/securebit-chat.git
cd securebit-chat
# No build process required — pure client‑side
# Just serve the files over HTTPS
# For development
python -m http.server 8000
# For production
# Deploy to any static hosting (GitHub Pages, Netlify, etc.)
```
---
## 🛡️ Security
### Security Audit Status
* ✅ Internal cryptographic review completed
* ✅ P2P protocol security analysis completed
* 🔄 Professional security audit planned Q3 2025
* 🔄 Post‑quantum cryptography review for v5.0
### Vulnerability Reporting
See **SECURITY.md** for detailed security policy and reporting instructions.
Contact: **[security@securebit.chat](mailto:security@securebit.chat)**
### Security Features
* Perfect Forward Secrecy — Past messages secure even if keys compromised
* Out‑of‑band verification — Prevents man‑in‑the‑middle attacks
* Traffic obfuscation — Defeats network analysis
* Memory protection — No persistent storage of sensitive data
* Session isolation — Complete cleanup between sessions
---
## 📊 Performance
### Benchmarks
* Connection setup: < 3 seconds
* Message latency: < 100 ms (P2P direct)
* Throughput: Up to 1 MB/s per connection
* Memory usage: < 50 MB for active session
* Battery impact: Minimal (optimized WebRTC)
### Scalability
* Concurrent connections: Limited by device capabilities
* Message size: Up to 2000 characters
* File transfer: Planned for v4.5
* Group size: Up to 8 participants (v5.5)
---
## 📄 License
MIT License — see **LICENSE** file for details.
### Open Source Commitment
* 100% open source — full transparency
* MIT license — maximum freedom
* No telemetry — zero data collection
* Community‑driven — contributions welcome
---
## 🤝 Contributing
We welcome contributions from the community!
### How to Contribute
1. Fork the repository
2. Create a feature branch: `git checkout -b feature/amazing-feature`
3. Commit your changes: `git commit -m "Add amazing feature"`
4. Push to the branch: `git push origin feature/amazing-feature`
5. Open a Pull Request
### Contribution Areas
* 🔐 Cryptography — Security improvements and audits
* 🌐 Network — P2P optimization and reliability
* ⚡ Lightning — Payment integration enhancements
* 🎨 UI/UX — Interface improvements and accessibility
* 📱 Mobile — PWA and mobile optimizations
* 📚 Documentation — Guides, tutorials, translations
### Development Guidelines
* Follow existing code style
* Add tests for new features
* Update documentation
* Respect security‑first principles
---
## 📞 Contact & Support
### Official Channels
* Email: **[lockbitchat@tutanota.com](mailto:lockbitchat@tutanota.com)**
* GitHub: **Issues & Discussions**
* Security: **[security@securebit.chat](mailto:security@securebit.chat)**
### Community
* Discussions: GitHub Discussions for feature requests
* Issues: Bug reports and technical support
* Wiki: Documentation and guides
---
⚠️ Important Disclaimers
Security Notice
While SecureBit.chat implements military-grade cryptography and follows security best practices, no communication system is 100% secure. Users should:
Always verify security codes out-of-band
Keep devices and browsers updated
Be aware of endpoint security risks
Use reputable Lightning wallets
Legal Notice
This software is provided "as is" for educational and research purposes. Users are responsible for compliance with local laws and regulations regarding:
Cryptographic software usage
Private communications
Bitcoin/Lightning Network transactions
Privacy Statement
SecureBit.chat:
Collects zero data - no analytics, tracking, or telemetry
Stores nothing - all data exists only in browser memory
Requires no registration - completely anonymous usage
Uses no servers - direct P2P connections only
🎯 Why Choose SecureBit.chat?
For Privacy Advocates
True zero-knowledge architecture
Military-grade encryption standards
Complete anonymity and untraceability
Resistance to censorship and surveillance
For Bitcoin/Lightning Users
Native Lightning Network integration
Sustainable pay-per-session model
Support for all major Lightning wallets
No KYC or account requirements
For Developers
100% open source transparency
Modern cryptographic standards
Clean, auditable codebase
Extensible modular architecture
For Everyone
No installation required
Works on all modern devices
Intuitive user interface
Professional security standards
**SecureBit.chat Security Team**
*Committed to protecting your privacy with military-grade security*
**Report vulnerabilities:** security@securebit.chat