Features
Sirr provides a comprehensive set of features designed for privacy, security, and seamless communication.
Core Features
🔒 End-to-End Encryption
OpenPGP-Based Encryption
All chat content is encrypted using the industry-standard OpenPGP protocol:
- Proven Security: Over 30 years of verification by the global cryptography community
- Public-Private Key Encryption: Only the recipient can decrypt messages with their private key
- Zero-Knowledge: Even Sirr cannot read your messages
- Perfect Forward Secrecy: Past communications remain secure even if keys are compromised
🌐 Decentralized Architecture
No Central Server
Unlike traditional messaging apps, Sirr operates without a central server:
- No Single Point of Failure: No core node that can be shut down
- No Data Storage: No user profile information or communication content stored centrally
- Distributed Network: Messages route through a network of independent nodes
- Censorship Resistant: Extremely difficult to block or monitor
🖥️ Self-Hosted Nodes
Anyone Can Run a Communication Node
Ultimate privacy with community-run infrastructure:
- Easy Setup: Run your own Sirr node with SirrChat server
- Complete Control: Your data stays on your own server
- Cross-Border Nodes: Place nodes anywhere in the world
- No Censorship: Beyond the reach of any single authority
🔄 Cross-Node Communication
Seamless Server-to-Server Messaging
Users on different nodes can communicate effortlessly:
- Transparent Routing: No need to know which node others are using
- Automatic Discovery: Nodes automatically find and connect to each other
- Federation Protocol: Similar to email - anyone can run a server
- Network Effect: More nodes = more resilient network
📱 Multi-Device Support
Sync Across All Your Devices
Access your messages from anywhere:
- iOS: Native iPhone and iPad app
- Android: Native Android app
- Desktop: Windows, macOS, and Linux support
- Real-Time Sync: Messages sync instantly across all devices
- Cloud Sync: End-to-end encrypted sync (you control the keys)
🔓 Open Source
Fully Transparent Code
Trust through transparency:
- Public Repository: All code available on GitHub
- Community Audited: Security reviewed by cryptography experts
- Reproducible Builds: Verify the app you download matches the source code
- GPL 3.0 License: Free and open forever
Wallet Features
💰 Built-in BNBChain Wallet
Crypto Wallet Integrated into Messaging
Every Sirr account includes a BNBChain wallet:
- Automatic Generation: Wallet created automatically when you sign up
- Local Private Keys: Keys stored only on your device
- BNB Support: Native BNB token support
- BEP-20 Tokens: Support for all BNBChain tokens (USDT, USDC, BUSD, etc.)
- Custom Tokens: Add any BEP-20 token by contract address
💸 Instant Transfers
Send Crypto to Your Contacts
Easy peer-to-peer transfers:
- Contact Integration: Send tokens to anyone in your contact list
- No Address Copying: Recipients identified by their Sirr ID
- Instant Settlement: Blockchain-speed transfers
- Transaction History: Full history within the app
🧧 Red Envelope Feature
Share Crypto in Group Chats
Fun and easy way to share cryptocurrency:
- Create Red Envelopes: Fill with BNB or any BEP-20 token
- Random Amounts: Option for random distribution among recipients
- Group Gifting: Perfect for celebrations and rewards
- Fair Distribution: First-come-first-served or equal splits
- Activity Feed: See who claimed what amount
📊 Transaction Management
Complete Wallet Functionality
Everything you need to manage your crypto:
- Balance Display: Real-time balance updates
- Transaction History: Detailed history of all transactions
- QR Code: Receive payments via QR code
- Address Book: Save frequently used addresses
- Gas Fee Estimation: Know costs before sending
Privacy Features
🎭 Anonymous Accounts
No Personal Information Required
Create accounts without revealing your identity:
- No Phone Number: Don't link your real identity
- No Email Required: Wallet address is your account
- No KYC: No identity verification needed
- Pseudonymous: Use any display name you want
🔐 Local Data Storage
Your Data Stays on Your Device
Maximum privacy through local storage:
- Encrypted Database: All local data encrypted
- No Cloud Backup: Unless you choose to (with your encryption keys)
- Clear Data Anytime: Delete all local data instantly
- Export Options: Export your data if needed
🛡️ Security Features
Multiple Layers of Protection
Comprehensive security measures:
- Device Authentication: Biometric or PIN unlock
- Session Management: Active session monitoring
- Auto-Lock: Automatic lock after inactivity
- Screenshot Protection: Optional screenshot blocking
- Disappearing Messages: Set messages to auto-delete
Communication Features
💬 Rich Messaging
Modern Chat Experience
All the features you expect:
- Text Messages: Unlimited text messaging
- Media Sharing: Photos, videos, files, voice messages
- Group Chats: Create groups with unlimited members
- Channels: Broadcast to large audiences
- Reactions: React to messages with emojis
- Replies: Threaded conversations
- Formatting: Bold, italic, code formatting
🔍 Search
Find What You Need
Powerful search functionality:
- Full-Text Search: Search all your messages
- Media Search: Find shared photos and files
- Contact Search: Quickly find contacts
- Encrypted Search: Search without compromising privacy
📲 Notifications
Stay Connected
Flexible notification system:
- Push Notifications: Real-time message alerts
- Custom Sounds: Personalize notification sounds
- Quiet Hours: Mute during specific times
- Per-Contact Settings: Customize for each contact
- Privacy Options: Hide message content in notifications
Developer Features
🔌 API Access
Build on Sirr
Developer-friendly platform:
- REST API: Standard REST API for integrations
- Webhooks: Real-time event notifications
- Bot Support: Create automated bots
- SDK Available: Official SDKs for major languages
🔧 Customization
Make It Your Own
Highly customizable:
- Themes: Light, dark, and custom themes
- Language: Multiple language support
- Plugins: Extend functionality with plugins
- Custom Nodes: Run your own infrastructure
Performance Features
⚡ Fast & Efficient
Optimized for Speed
Excellent performance:
- Lightweight: Small app size
- Low Bandwidth: Efficient data usage
- Battery Friendly: Optimized for mobile devices
- Quick Sync: Fast message synchronization
🌍 Global Network
Worldwide Availability
Accessible anywhere:
- Global Nodes: Distributed server network
- Smart Routing: Automatic selection of fastest route
- Offline Support: Queue messages when offline
- Multi-Region: Nodes in multiple countries
Explore all features by downloading Sirr today!