Coinbase Wallet Extension: Review and Update (2025)

In the evolving world of decentralized finance (DeFi) and Web3 applications, having a secure, user-friendly crypto wallet is essential. The Coinbase Wallet Extension stands out as one of the key tools enabling users to interact seamlessly with decentralized applications (dApps), manage multiple assets, and explore the blockchain ecosystem—all from their browser.

Built by Coinbase, one of the most trusted names in the crypto industry, the Coinbase Wallet Extension offers non-custodial access to a wide range of blockchains and Web3 services. While the mobile wallet has long been popular, the browser extension is quickly gaining traction due to its convenience and increasing feature set.

Overview of the Coinbase Wallet Extension

The Coinbase Wallet Extension is available for Chrome, Brave, and other Chromium-based browsers. It functions similarly to MetaMask, enabling users to:

  • Store and send cryptocurrencies
  • Interact with decentralized applications
  • Swap tokens across supported networks
  • Manage NFTs
  • Sign smart contracts securely

Unlike the main Coinbase exchange, this extension is non-custodial—meaning the user owns their private keys and has full control of their assets.

Key Features

1. Multi-Chain Support

The extension supports Ethereum and Ethereum-compatible networks, including:

  • Polygon
  • Arbitrum
  • Optimism
  • Avalanche
  • BNB Chain
  • Base (Coinbase’s own Layer 2)
     This enables users to interact with a broad ecosystem of DeFi platforms and dApps directly through their browser.

2. Secure Key Management

Coinbase Wallet Extension securely stores private keys locally within the browser using encryption. Users must back up their 12-word recovery phrase to restore access if needed. Biometrics or password protection can also be enabled for added security.

3. Seamless Integration with dApps

Thanks to Web3 compatibility, users can connect to decentralized applications like Uniswap, Aave, OpenSea, and more with a single click. The extension offers smooth wallet connectivity and transaction signing, making the dApp experience intuitive.

4. Cross-Device Sync

Users can link their Coinbase Wallet mobile app with the browser extension by scanning a QR code, allowing seamless access to funds and accounts across devices.

5. Built-In Swap Functionality

The extension includes a decentralized exchange (DEX) aggregator, letting users swap tokens across networks without needing to visit external platforms.

Recent Updates (Mid-2025)

Coinbase has consistently improved the browser extension over the past year, focusing on usability, cross-chain support, and enhanced security. Key updates include:

1. Smart Wallet Integration

Coinbase has started integrating its Smart Wallet Beta, offering:

  • Gasless transactions (fees paid via sponsor or smart contract logic)
  • Social login (Google, Apple ID)
  • Keyless recovery using trusted devices or 2FA
     This is a major move toward making crypto wallets more beginner-friendly and safer.

2. Base Network Enhancements

As Coinbase’s own Layer 2 solution, Base is now fully integrated into the wallet extension. Users can bridge funds, swap tokens, and interact with Base-native dApps directly from the extension.

3. Improved dApp Permissions

A new permission system allows users to view what data a dApp is requesting before connecting, improving transparency and protecting users from malicious sites.

4. Layer 2 Bridging Tools

Native bridging between Ethereum and Layer 2 networks (Base, Arbitrum, Optimism) has been added, letting users move funds quickly and at lower costs.

5. UI/UX Enhancements

The 2025 update introduced a cleaner interface with:

  • Clearer transaction previews
  • Gas fee estimations
  • Auto-switching networks when accessing different dApps
     These changes help reduce user errors and improve onboarding.

Pros

  • Secure & Non-Custodial: Full control over private keys, with strong local encryption.
  • Excellent UI: Polished interface and seamless dApp interaction.
  • Multi-Chain Ready: Supports leading Layer 1 and Layer 2 networks.
  • Backed by Coinbase: Reputable brand with ongoing development and support.
  • dApp Safety Tools: Permissions view and scam warnings built-in.

Cons

  • No Built-in Fiat On-Ramp: Users must transfer crypto from an exchange or other wallet.
  • User Responsibility: Losing the recovery phrase means losing wallet access permanently.
  • Fewer Advanced Features: Power users may prefer MetaMask for deeper customizations.
  • Browser Limitations: Currently available only on Chromium-based browsers (no Firefox support as of mid-2025).

Who Is It For?

The Coinbase Wallet Extension is ideal for:

  • Users familiar with Coinbase who want to explore DeFi and Web3 apps
  • Crypto holders who want to self-custody their assets securely
  • NFT collectors looking for a wallet that supports Ethereum and Layer 2 tokens
  • New users seeking a beginner-friendly browser extension with strong safety features

For those already using the Coinbase mobile wallet, the extension provides an easy bridge into the browser-based Web3 world without the need to start over or import wallets manually.

Conclusion

As Web3 adoption continues to grow, having a secure, user-friendly wallet is more important than ever. The Coinbase Wallet Extension in 2025 delivers on this need with a strong balance of usability, functionality, and security. With recent updates like smart wallet integration, enhanced Layer 2 support, and improved safety tools, Coinbase is clearly aiming to lead in the next wave of decentralized web adoption.

Whether you’re new to crypto or a seasoned DeFi user, the Coinbase Wallet Extension is a powerful tool worth considering for managing your assets and exploring the decentralized internet.