Polkadot Analytics hub

Inspiration

The Polkadot ecosystem is growing fast, with many parachains and cross-chain activities happening at the same time. But there is no simple way to see everything in one place. Most tools focus on a single chain or provide only raw metrics. We wanted to build a central analytics hub that shows clear, real-time insights for the entire Polkadot network.

What it does

Polkadot Analytics Hub provides a unified dashboard with: Real-time parachain metrics (activity, TVL, transactions) Cross-chain insights and comparisons Historical charts (7–30 day trends) Interactive visualizations and clean UI Wallet connection with Polkadot.js Optional AI features: forecasting + anomaly detection It helps developers, analysts, and users understand network health in one place.

How we built it

Backend: Node.js + Express for API endpoints, caching, validation, and data structuring Frontend: Next.js + Tailwind + Chart.js for visual charts and smooth UI Data: Polkadot RPC / Substrate endpoints AI Layer (optional): Python + FastAPI for prediction models and anomaly detection Tools: GitHub, and Postman for testing The system is modular so features can be added or replaced easily.

Challenges we ran into

Handling RPC limits and inconsistent chain responses Designing endpoints that stay fast even with large data Chart performance with high-frequency updates CORS issues during dev and deployment Keeping backend and frontend synchronized while developing fast

Accomplishments that we're proud of

A working, full-stack analytics system from scratch Clean UI with responsive and interactive charts A structured backend ready for real Polkadot metrics A working AI prediction module Stable architecture that can scale Clear documentation and easy setup

What we learned

How to structure production-style APIs Handling live blockchain data and caching Advanced React + Next.js concepts How to optimize charts for performance How to integrate Python/AI services into a JS system Team coordination, testing, and deployment workflows

What's next for Polkadot Analytics hub

Full real-time data syncing with all major parachains User accounts + personal saved dashboards Alerts and notifications for unusual network activity Cross-chain flow diagrams (visualizing asset movement) Mobile and tablet versions Integration with more ecosystem tools (XCMP, bridges) Launching a public version of the platform for community use

Built With

• ai:
• api
• control:
• cors-logging:-morgan-validation:-express-validator-ai-analytics-(optional)-language:-python-3.9+-framework:-fastapi-ml-libraries:-scikit-learn
• devops
• environment:
• frontend-framework:-next.js-16.0.1-(react-18)-styling:-tailwindcss-3.4-charts:-chart.js
• gemini
• git
• google
• manager:
• npm
• numpy
• package
• pandas
• recharts-state-management:-react-query-(tanstack-query)-blockchain:-polkadot.js-api-http-client:-axios-backend-runtime:-node.js-18+-framework:-express.js-4.18-security:-helmet
• version