Blowater
DMs done right. Privacy-focused messaging on Nostr.
Overview
Blowater is a Nostr client that prioritizes direct messaging with end-to-end encryption. It provides a clean, focused interface for private conversations and group chats.
Key Features
DM-Focused Interface
┌─────────────────────────────────────────────────────────────────┐
│ Blowater │
├─────────────────────────────────────────────────────────────────┤
│ │
│ ┌─────────────┐ ┌───────────────────────────────────────┐ │
│ │ Chats │ │ Conversation with @alice │ │
│ │ │ │ ───────────────────────────────── │ │
│ │ @alice │ │ │ │
│ │ @bob │ │ alice: Hey, how are you? │ │
│ │ @carol │ │ │ │
│ │ │ │ you: Doing great! Working on... │ │
│ │ Groups: │ │ │ │
│ │ Dev Chat │ │ alice: That sounds interesting │ │
│ │ Friends │ │ │ │
│ │ │ │ [Message input] │ │
│ └─────────────┘ └───────────────────────────────────────┘ │
│ │
│ All messages end-to-end encrypted │
│ │
└─────────────────────────────────────────────────────────────────┘
Core Features
| Feature | Description |
|---|---|
| Direct messages | Private 1:1 conversations |
| Group messages | Encrypted group chats |
| E2E encryption | All messages encrypted |
| Group profiles | Customize group info |
| Privacy-first | No data collection |
Encryption
Uses modern Nostr DM standards:
- NIP-17 for improved privacy
- Addresses metadata leaks from NIP-04
- Full end-to-end encryption
┌─────────────────────────────────────────────────────────────────┐
│ NIP-17 vs NIP-04 │
├─────────────────────────────────────────────────────────────────┤
│ │
│ NIP-04 (old): │
│ ├── Message content encrypted │
│ └── Metadata (who, when) visible │
│ │
│ NIP-17 (new): │
│ ├── Message content encrypted │
│ ├── Sender/recipient hidden │
│ └── Better privacy overall │
│ │
└─────────────────────────────────────────────────────────────────┘
Platforms
| Platform | Status |
|---|---|
| Web | Available |
| Chrome Extension | Available |
Privacy
- No data collection
- No analytics
- No tracking
- Open source
Group Messaging
Features for groups:
- Create private groups
- Manage members
- Edit group profile
- Clear distinction between DMs and GMs
Comparison
| Feature | Blowater | 0xChat | Damus |
|---|---|---|---|
| DM focus | Primary | Primary | Secondary |
| Group chat | Yes | Yes | Limited |
| NIP-17 | Yes | Yes | Partial |
| Desktop | Yes | No | No |
| Mobile | Extension | Yes | Yes |
Links
- Website: blowater.app
- GitHub: BlowaterNostr/blowater
- Chrome: Chrome Web Store
See Also
- Nostr Protocol — The protocol
- 0xChat — Mobile DM client
- Coracle — Web client