Smart Blockchain Monitor with ScrapeGraphAI Risk Detection and Instant Alerts
🎯 Target Audience
- Cryptocurrency traders and investors
- DeFi protocol managers and developers
- Blockchain security analysts
- Financial compliance officers
- Crypto fund managers and institutions
- Risk management teams
- Blockchain developers monitoring smart contracts
- Digital asset custodians
🚀 Problem Statement
Manual blockchain monitoring is time-consuming and prone to missing critical events, often leading to delayed responses to high-value transactions, security threats, or unusual network activity. This template solves the challenge of real-time blockchain surveillance by automatically detecting, analyzing, and alerting on significant blockchain events using AI-powered intelligence and instant notifications.
🔧 How it Works
This workflow automatically monitors blockchain activity in real-time, uses ScrapeGraphAI to intelligently extract transaction data from explorer pages, performs sophisticated risk analysis, and instantly alerts your team about significant events across multiple blockchains.
Key Components
-
Blockchain Webhook - Real-time trigger that activates when new blocks are detected
-
Data Normalizer - Standardizes blockchain data across different networks
-
ScrapeGraphAI Extractor - AI-powered transaction data extraction from blockchain explorers
-
Risk Analyzer - Advanced risk scoring based on transaction patterns and values
-
Smart Filter - Intelligently routes only significant events for alerts
-
Slack Alert System - Instant formatted notifications to your team
📊 Risk Analysis Specifications
The template performs comprehensive risk analysis with the following parameters:
| Risk Factor |
Threshold |
Score Impact |
Description |
| High-Value Transactions |
>$10,000 USD |
+15 per transaction |
Individual transactions exceeding threshold |
| Block Volume
|
>$1M USD |
+20 points |
Total block transaction volume |
| Block Volume
|
>$100K USD |
+10 points |
Moderate block transaction volume |
| Failure Rate
|
>10% |
+15 points |
Percentage of failed transactions in block |
| Multiple High-Value
|
>3 transactions |
Alert trigger |
Multiple large transactions in single block |
| Critical Failure Rate
|
>20% |
Alert trigger |
Extremely high failure rate indicator |
Risk Levels:
-
High Risk : Score ≥ 50 (Immediate alerts)
-
Medium Risk : Score ≥ 25 (Standard alerts)
-
Low Risk : Score < 25 (No alerts)
🌐 Supported Blockchains
| Blockchain |
Explorer |
Native Support |
Transaction Detection |
| Ethereum
|
Etherscan |
✅ Full |
High-value, DeFi, NFT |
| Bitcoin
|
Blockchair |
✅ Full |
Large transfers, institutional |
| Binance Smart Chain |
BscScan |
✅ Full |
DeFi, high-frequency trading |
| Polygon
|
PolygonScan |
✅ Full |
Layer 2 activity monitoring |
🛠️ Setup Instructions
Estimated setup time: 15-20 minutes
Prerequisites
- n8n instance with community nodes enabled
- ScrapeGraphAI API account and credentials
- Slack workspace with webhook or bot token
- Blockchain data source (Moralis, Alchemy, or direct node access)
- Basic understanding of blockchain explorers
Step-by-Step Configuration
1. Install Community Nodes
# Install required community nodes
npm install n8n-nodes-scrapegraphai
2. Configure ScrapeGraphAI Credentials
- Navigate to Credentials in your n8n instance
- Add new ScrapeGraphAI API credentials
- Enter your API key from ScrapeGraphAI dashboard
- Test the connection to ensure proper functionality
3. Set up Slack Integration
- Add Slack OAuth2 or webhook credentials
- Configure your target channel for blockchain alerts
- Test message delivery to ensure notifications work
- Customize alert formatting preferences
4. Configure Blockchain Webhooks
- Set up the webhook endpoint for blockchain data
- Configure your blockchain data provider (Moralis, Alchemy, etc.)
- Ensure webhook payload includes block number and blockchain identifier
- Test webhook connectivity with sample data
5. Customize Risk Parameters
- Adjust high-value transaction threshold (default: $10,000)
- Modify risk scoring weights based on your needs
- Configure blockchain-specific risk factors
- Set failure rate thresholds for your use case
6. Test and Validate
- Send test blockchain data to trigger the workflow
- Verify ScrapeGraphAI extraction accuracy
- Check risk scoring calculations
- Confirm Slack alerts are properly formatted and delivered
🔄 Workflow Customization Options
Modify Risk Analysis
- Adjust high-value transaction thresholds for blockchain
- Add custom risk factors (contract interactions, specific addresses)
- Implement whitelist/blacklist address filtering
- Configure time-based risk adjustments
Extend Blockchain Support
- Add support for additional blockchains (Solana, Cardano, etc.)
- Customize explorer URL patterns
- Implement chain-specific transaction analysis
- Add specialized DeFi protocol monitoring
Enhance Alert System
- Add email notifications alongside Slack
- Implement severity-based alert routing
- Create custom alert templates
- Add alert escalation rules
Advanced Analytics
- Add transaction pattern recognition
- Implement anomaly detection algorithms
- Create blockchain activity dashboards
- Add historical trend analysis
📈 Use Cases
-
Crypto Trading : Monitor large market movements and whale activity
-
DeFi Security : Track protocol interactions and unusual contract activity
-
Compliance Monitoring : Detect suspicious transaction patterns
-
Institutional Custody : Alert on high-value transfers and security events
-
Smart Contract Monitoring : Track contract interactions and state changes
-
Market Intelligence : Analyze blockchain activity for trading insights
🚨 Important Notes
- Respect ScrapeGraphAI API rate limits and terms of service
- Implement appropriate delays to avoid overwhelming blockchain explorers
- Keep your API credentials secure and rotate them regularly
- Monitor API usage to manage costs effectively
- Consider blockchain explorer rate limits for high-frequency monitoring
- Ensure compliance with relevant financial regulations
- Regularly update risk parameters based on market conditions
🔧 Troubleshooting
Common Issues:
- ScrapeGraphAI extraction errors: Check API key and account status
- Webhook trigger failures: Verify webhook URL and payload format
- Slack notification failures: Check bot permissions and channel access
- False positive alerts: Adjust risk scoring thresholds
- Missing transaction data: Verify blockchain explorer accessibility
- Rate limit errors: Implement delays and monitor API usage
Support Resources:
- ScrapeGraphAI documentation and API reference
- n8n community forums for workflow assistance
- Blockchain explorer API documentation
- Slack API documentation for advanced configurations
- Cryptocurrency compliance and regulatory guidelines
