Overview
The Coinbase Extension is your gateway to Web3 directly in your browser. It lets you connect to decentralized applications (dApps), manage crypto assets, and interact securely with the blockchain — all from your preferred browser. With non-custodial key management, Coinbase Extension ensures you maintain control of your funds at all times.
Security Architecture
Coinbase Extension is built with industry-leading security practices, keeping user keys encrypted and locally stored. It integrates advanced authentication, phishing detection, and permissioned access control to safeguard digital assets.
Local Key Storage
Private keys are never uploaded; they remain encrypted within your device.
Transaction Verification
Every transaction is clearly displayed for approval before signing.
Multi-network Support
Seamlessly switch between Ethereum, Base, and other supported chains.
Secure Backup
Recover access using encrypted seed phrases and optional cloud backups.
Core Features
The Coinbase Extension provides intuitive tools to explore Web3 and manage your portfolio efficiently:
- Send, receive, and swap tokens directly in the extension.
- Connect to dApps with one click and manage permissions easily.
- View your NFT collections and transaction history.
- Multi-chain compatibility with Base, Ethereum, and Polygon.
- Integrated with Coinbase Wallet mobile for synchronized experience.
Getting Started
To set up the Coinbase Extension:
- Download it from the official Chrome Web Store or Firefox Add-ons.
- Create a new wallet or import one using your recovery phrase.
- Set a strong password and enable optional biometric or PIN security.
- Connect to dApps and manage assets directly from your browser.
Developer Integrations
Coinbase Extension supports Web3 developers through its injected provider API, allowing seamless interaction with EVM-compatible networks. DApp developers can easily detect Coinbase as a wallet provider via window.ethereum and initiate connection requests.
- Support for EIP-1193 standard provider methods.
- Network switching, account access, and signing requests.
- Integration guides and SDKs for advanced dApp workflows.
Support & Privacy
Coinbase offers official support through its help center, community resources, and secure ticket system. The extension follows strict privacy policies — no tracking of wallet activity, and minimal metadata collection for diagnostics.
For troubleshooting, always refer to official Coinbase documentation. Avoid unofficial links or browser popups asking for private information.