Building crypto dashboards and DeFi interfaces is different from building traditional web apps. It's not just about connecting to MetaMask—it's about creating UX patterns that make complex blockchain interactions feel simple.
After building frontends for Web3 teams like PoolTogether, I've learned that Web3 frontend development requires a unique approach to UX, error handling, and state management.
The Unique Challenges of Web3 Frontends
1. Wallet Connection UX
Most Web3 apps fail at the first step: wallet connection. Users don't understand why they need to "connect" their wallet, or what happens when they do.
Best Practice: Explain what wallet connection means in plain language. Show users what they're connecting to and why. Use clear CTAs like "Connect Wallet to View Your Balance" instead of just "Connect Wallet."
2. Transaction State Management
Blockchain transactions take time. Users need to know:
- Transaction is pending
- Transaction is confirmed
- Transaction failed (and why)
Best Practice: Use toast notifications or inline status indicators. Show transaction hashes with links to block explorers. Never leave users wondering if their transaction went through.
3. Error Handling
Web3 errors are cryptic. "Reverted" or "User rejected" don't help users understand what went wrong.
Best Practice: Translate blockchain errors into user-friendly messages. "Insufficient funds" instead of "execution reverted." "Transaction cancelled" instead of "user rejected request."
4. Network Switching
Users often connect on the wrong network. Your app should detect this and guide them to switch.
Best Practice: Detect network mismatches immediately. Show a clear message: "Please switch to Ethereum Mainnet to continue." Provide a one-click network switch button.
Technical Considerations
Wallet Provider Libraries
Use established libraries like ethers.js or web3.js. For React apps, consider wagmi or useDapp for better hooks-based state management.
State Management
Web3 state is complex: wallet connection status, network, account balance, transaction history. Use a state management solution (Redux, Zustand, or Context API) to keep this organized.
Performance
Blockchain calls are slow. Don't block your UI waiting for RPC calls. Use loading states, optimistic updates, and cache results when possible.
Real-World Example: PoolTogether Dashboard
When building the PoolTogether frontend, we focused on making complex DeFi interactions feel simple:
- Clear visual hierarchy showing deposit amounts and potential winnings
- Real-time balance updates without page refreshes
- Transaction status clearly displayed at each step
- Mobile-optimized for users checking balances on the go
The Bottom Line
Web3 frontend development isn't just about technical integration—it's about creating UX patterns that make blockchain interactions accessible to non-technical users.
If you're building a Web3 product and need a frontend that actually converts users, let's talk.