Coinbase Wallet extension is a secure way to connect to decentralized apps (dApps) and DeFi platforms through. Coinbase Wallet Extension, you retain full control over your private keys, ensuring the security of your funds. Make sure to back up your private keys and store Coinbase® Extension® | Getting Started: Wallet Extension. The Coinbase® Extension® seamlessly integrates with leading web browsers, transforming your browsing The Coinbase ® Extension ® seamlessly integrates with leading web browsers, transforming your browsing Coinbase Extension is a self-custody crypto wallet that lets Learn how to install, create, import, or connect your Coinbase Wallet Extension to your Chrome or Brave browser. Explore dapps, trade on decentralized exchanges, collect NFTs, and more with the browser extension.