Note new EIP-6963 integration

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       <h2>How does it work?</h2>
       <p>Many web3 projects use a frontend framework like <a href="https://ethers.org/">ethers.js</a> or <a href="https://web3js.org/">web3.js</a> to integrate with Ethereum.</p>
       <p>To demonstrate the minimum required code, this project's frontend is implemented entirely in vanilla HTML, CSS, and JavaScript with no framework.
-        The only integration is with the standard Ethereum Provider JavaScript API (<a href="https://eips.ethereum.org/EIPS/eip-1193">EIP-1193</a>) used by all common wallets
-        (e.g., <a href="https://metamask.io/">MetaMask</a> and <a href="https://www.coinbase.com/wallet">Coinbase Wallet</a>) to get user <a href="https://ethereum.org/en/glossary/#digital-signatures">signatures</a> for authorization.</p>
+        The only integrations are with the standard Ethereum Provider JavaScript API (<a href="https://eips.ethereum.org/EIPS/eip-1193">EIP-1193</a>) used by all common wallets
+        (e.g., <a href="https://metamask.io/">MetaMask</a> and <a href="https://www.coinbase.com/wallet">Coinbase Wallet</a>) to get user <a href="https://ethereum.org/en/glossary/#digital-signatures">signatures</a> for authorization, and
+        with <a href="https://eips.ethereum.org/EIPS/eip-6963">EIP-6963</a> ("Multi Injected Provider Discovery") to support multiple wallets installed simultaneously.
+      </p>
       <p>The backend is a serverless <a href="https://workers.cloudflare.com/">Cloudflare Worker</a>, also written in vanilla JavaScript. The code to verify signatures on the backend uses Paul Miller's <a href="https://paulmillr.com/noble/">noble-crypto</a> project.</p>
       <h2>Source code</h2>
       <p><a href="https://github.com/ardislu/alu.bz">Click here</a> to view this project's source code on GitHub.</p>