Wallet-check

Wallet Check scans any Ethereum wallet and instantly shows a health score, risky approvals, token value, and recent activity all in one clean dashboard.

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Inspiration

With more and more scams, hacks, and rug pulls in the crypto world, we wanted to give users a simple way to check how “safe” their Ethereum wallet really is. Like a credit score, but for wallets.

What it does

Wallet Check scans any Ethereum address or ENS name and gives a complete security overview:

  • A health score (0–100)
  • Token portfolio value
  • Active & risky approvals
  • Recent transactions
  • Risk level & last activity

How we built it

  • Frontend: Next.js + Tailwind CSS + Lucide Icons
  • Backend: Node.js with node-fetch, powered by Etherscan APIs ## Challenges we ran into
  • Rate limits from Etherscan
  • Normalizing data from different APIs
  • Simplifying complex wallet data into a single score ## Accomplishments that we're proud of
  • Built a full product (front + back) in less than 48h
  • Clean and modern UI that’s actually usable
  • Real-time wallet scanning with visual insights
  • Learned how to visualize risk and data simply ## What we learned How to work with blockchain APIs
  • The complexity of ERC20 approvals and wallet activity
  • The importance of good UX when showing technical data
  • How to create scoring models from raw blockchain data

What's next for Wallet-check

  • Add support for more chains (Polygon, BSC…)
  • Allow users to revoke approvals in-app
  • Add risk analysis per token or dApp
  • Export/share wallet reports
  • Turn it into a Chrome extension for live wallet scanning

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