How can I integrate Web3.js to enable wallet connectivity for a cryptocurrency exchange?

Here’s how to connect a wallet (e.g., MetaMask) using Web3.js:

import Web3 from 'web3';

async function connectWallet() {
  if (window.ethereum) {
    const web3 = new Web3(window.ethereum);
    try {
      await window.ethereum.request({ method: 'eth_requestAccounts' });
      const accounts = await web3.eth.getAccounts();
      console.log('Connected account:', accounts[0]);
    } catch (error) {
      console.error('Wallet connection failed:', error);
    }
  } else {
    console.log('MetaMask not detected.');
  }
}

connectWallet();

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