Build production-ready Web3 React applications
Step-by-step guide to building React dApps with wallet connection, contract interaction, and real-time data
# Install dependencies
npm install ethers@6 wagmi viem @tanstack/react-queryReact hooks for Ethereum. Handles wallet connection, chain switching, and contract reads/writes.
Lightweight Ethereum client. Replaces web3.js/ethers for low-level interactions.
Beautiful wallet connect button. Easy to customize and supports 300+ wallets.
import { WagmiConfig, createConfig } from 'wagmi'
import { mainnet, sepolia } from 'wagmi/chains'
import { http } from 'viem'
const config = createConfig({
chains: [mainnet, sepolia],
transports: {
[mainnet.id]: http(),
[sepolia.id]: http(),
},
})
function App() {
return (
<WagmiConfig config={config}>
<YourDApp />
</WagmiConfig>
)
}