Self-Custody Security
Coinbase Extension ensures that your private keys never leave your browser. With encrypted key storage, password protection, and biometric unlocks, you maintain total control and enhanced security.
Coinbase Extension gives you a secure, self-custodial Web3 wallet experience directly from your browser — manage crypto, connect dApps, and explore DeFi with full key control.
Coinbase Extension acts as your on-chain gateway for managing cryptocurrencies and digital assets across multiple networks. It integrates seamlessly with your Coinbase account for portfolio tracking, while giving you full ownership of private keys in your browser.
Coinbase Extension ensures that your private keys never leave your browser. With encrypted key storage, password protection, and biometric unlocks, you maintain total control and enhanced security.
The Coinbase Extension supports Ethereum, Base, and other EVM-compatible blockchains — giving you effortless access to NFTs, DeFi protocols, and decentralized applications in one place.
With Coinbase Extension, you can connect securely to Web3 apps, sign transactions, and interact with smart contracts directly through your browser, minimizing phishing risks and ensuring safe approvals.
For users who already have Coinbase Wallet mobile app, Coinbase Extension automatically syncs your assets, addresses, and connected dApps to create a unified cross-device experience.
The Coinbase Extension brings self-custodial functionality directly to your browser. Your keys are generated and stored locally, and only you can approve transactions through secure UI prompts. Every interaction is verified before signing, keeping your assets safe.
Coinbase Extension includes APIs and SDKs for Web3 builders who want to integrate wallet functionality into decentralized apps. It supports Coinbase Cloud services for analytics, gasless transactions, and secure identity verification, making it ideal for developers and teams.
Coinbase Extension is fully non-custodial. Your keys remain encrypted in your browser, and Coinbase cannot access or recover them.
It is available on Chrome, Edge, Brave, and Firefox. Safari support is coming soon.
Yes — you can view and manage your Coinbase portfolio directly, but the keys remain yours, ensuring full self-custody and independence.