Internship← Blockchain & Smart Contracts (Solidity) learning pathBlockchain & Smart Contracts (Solidity) · Module 9 of 10
dApp front ends
Connect web apps to smart contracts.
📖 Key ideas
- dApps use wallets (MetaMask) to sign transactions.
- Libraries: ethers.js, viem, wagmi.
- Read data with view calls; write with signed transactions.
- Listen to events for real-time updates.
- Show clear transaction status and gas estimates.
💡 Real-life example: A dApp front end is a shop counter; the wallet is the customer signing the bill.
ethers.jsJavaScript Ethereum library
wagmiReact hooks for Ethereum
ProviderConnection to a blockchain node
SignerAccount that signs transactions