Coinbase Extension — Starting Up™ Your Device | Coinbase®

The Coinbase Extension gives users a convenient way to access a self-custody wallet directly from a desktop browser. Instead of switching between a mobile application and a computer, a compatible browser extension can let you connect to decentralized applications (dapps), manage supported crypto assets, and review onchain transactions from your browser.

Coinbase's current ecosystem is evolving, and some official documentation now refers to the browser experience as the Base browser extension, while other official pages continue to use “Coinbase Wallet Extension.” Because product names and features can change, always use Coinbase's current official resources when installing wallet software.

What Is the Coinbase Extension?

A browser wallet extension is software that adds cryptocurrency-wallet functionality to a web browser. The Coinbase Wallet extension was created to help users interact with Web3 applications from a desktop, including decentralized exchanges, NFT platforms, and other dapps. Coinbase's current documentation explains that the browser extension can connect a wallet to supported dapps and perform transactions through the browser.

The extension is different from a standard Coinbase.com account. A Coinbase Wallet is a self-custody wallet, meaning the user controls the wallet's private keys and recovery credentials. Coinbase explains that assets held in Coinbase Wallet are distinct from assets held in a Coinbase.com account.

How to Get Started

Before installing any cryptocurrency browser extension, verify that you are using an official Coinbase source or the appropriate official browser extension store. Coinbase recommends exercising caution when installing browser plugins and advises users to use the official repository for their browser.

The general setup process is straightforward:

Coinbase's current help documentation provides these basic steps for its browser-extension experience.

Create a New Self-Custody Wallet

When creating a new wallet, the extension may generate a 12-word recovery phrase. This phrase is extremely important because it provides access to your self-custody wallet.

Write the recovery phrase down carefully and keep it in a secure location. Coinbase states that it cannot recover the recovery phrase for you.

Never share your recovery phrase with anyone. Do not send it through email, social media, messaging applications, or customer-support chats. You should also be suspicious of any website that unexpectedly asks you to enter your recovery phrase.

If someone claims to be Coinbase support and asks for your recovery phrase, stop the conversation and use the official Coinbase Help Center instead.

For additional information about protecting your wallet, visit our Coinbase Wallet security guide.

Import an Existing Wallet

The browser extension can also support importing an existing self-custody wallet. Coinbase's documentation explains that users can import compatible Ethereum-based wallets using their recovery phrase.

Before importing a wallet, make sure you understand what you are doing and verify that you are using genuine Coinbase software.

An imported wallet remains self-custodied. Your recovery phrase continues to control access to the wallet, so protecting that phrase remains your responsibility.

Coinbase's official wallet setup resources provide additional information about creating and importing wallets.

Connect to Decentralized Applications

One of the biggest advantages of a browser extension is the ability to connect directly with compatible dapps.

When you visit a supported Web3 application, you may see a “Connect Wallet” button. Selecting it can allow the dapp to request access to your wallet address and initiate supported actions.

Sharing a public wallet address does not reveal your private key. However, users should still understand what permissions they grant to individual applications.

Coinbase warns that malicious smart contracts can potentially misuse token allowances. It recommends exercising caution with dapp permissions and regularly reviewing or revoking approvals that are no longer needed.

For more information, explore our Coinbase dapp permissions guide before connecting your wallet to unfamiliar applications.

Review Every Transaction

A browser wallet makes cryptocurrency transactions convenient, but convenience should never replace careful verification.

Before approving a transaction, review the recipient address, asset, amount, network, and requested permissions. If a transaction or signature request is confusing, do not approve it until you understand what it does.

Blockchain transactions can be difficult or impossible to reverse after confirmation. Taking a few extra moments to review a transaction can help prevent costly mistakes.

Supported Networks and Assets

The networks and assets available through the Coinbase browser-extension experience depend on the current product version and supported network features.

Coinbase's documentation currently lists Ethereum and Solana support for its browser extension, with different functionality available for each network. Ethereum supports a broad range of assets and dapps, while Solana functionality includes support for SOL and SPL tokens.

Always check the latest official documentation before transferring an asset, particularly when using a newer blockchain network.

Sending cryptocurrency through an incorrect or unsupported network can create significant problems. Verify the receiving address and network before confirming a transfer.

Coinbase Account vs. Coinbase Wallet

It is important to understand the difference between a Coinbase.com account and a self-custody wallet.

Your Coinbase.com account operates through Coinbase's centralized platform, while Coinbase Wallet is designed as a self-custody wallet. Coinbase explains that users of Coinbase Wallet have control over their wallet's private keys and recovery phrase.

The two products can be connected for certain supported features. However, connecting a Coinbase Wallet to a Coinbase account does not turn the self-custody wallet into a custodial Coinbase account.

Keep Your Coinbase Extension Secure

Security begins before the extension is installed. Download browser extensions only from official sources and verify the publisher carefully.

Keep your recovery phrase private, use a strong wallet password, and keep your browser and operating system updated. Avoid suspicious links claiming that your wallet needs urgent verification, activation, or recovery.

Regularly review connected dapps and token approvals. Coinbase provides controls for disconnecting dapps and revoking token approvals through the wallet extension.

If you encounter a problem, use the official Coinbase Help Center rather than relying on unofficial support accounts.

Start Using the Coinbase Extension

The Coinbase Extension can provide a practical desktop gateway to self-custody and the wider Web3 ecosystem. With a compatible extension, users can manage supported assets, connect to dapps, explore decentralized applications, and approve onchain transactions directly through their browser.

The most important part of setup is protecting your recovery credentials and understanding every permission you grant. Begin with official Coinbase resources, install genuine software, keep your recovery phrase private, and carefully review transactions before approving them.

Recommended Internal Interlinking

Use the exact-match anchor “Coinbase Extension” four times throughout the website. Link each occurrence naturally to four different relevant internal pages—for example, your extension setup page, wallet security page, dapp/permissions guide, and support page. Place the four links in separate sections so the internal linking provides genuine navigation value instead of appearing as a concentrated keyword block.