# Heimdall - Protection bot

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<div align="center"><figure><img src="https://2689080889-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FiicLjI9swzGCpZXOuJTI%2Fuploads%2FlKUCHT9GuAEFB9sJ0zCc%2Fimage.png?alt=media&#x26;token=9dd0238a-257c-4e9c-a138-3639bd084445" alt="" width="563"><figcaption></figcaption></figure></div>

Heimdall is a powerful Telegram group management bot designed for crypto communities. It provides comprehensive moderation tools, anti-spam protection, portal verification, custom filters, and integration with various crypto services.

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### **Anti-Spam Protection**

Automatic detection and removal of spam messages, fake admins, scammers, and prohibited content. Includes OCR-based text extraction from images and videos to detect spam hidden in media.

### Portal verification

Secure entry system requiring users to verify through a web portal before joining groups. Collects device fingerprints to detect alt accounts of banned users.

### **Custom Filters**

Create automatic responses to keywords or phrases. Supports single words and multi-word phrases in quotes.

### **Crypto Integration**

Track token prices, market caps, holders. Integration with DexScreener, PumpFun, and various buy bots. Supports Solana, Ethereum, TON, and BSC tokens.

### **Automatic Whitelisting**

Users are automatically whitelisted after sending 10 safe (non-spam) messages, exempting them from further anti-spam checks without admin intervention.

### **Image & Video Text Detection**

Uses OCR technology to extract and scan text from images, videos, GIFs, and documents for spam content - catching scammers who hide messages in media.

### **Whales Mode**

Restrict chat to verified token holders based on minimum holding requirements. Users verify by connecting their wallet on-chain.

### **Referral Contests**

Create and manage referral competitions with automatic tracking and leaderboards. Each user gets a unique invitation link to share.