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Coinbase Extension

Experience the Future of Decentralized Finance with Coinbase Extension

Seamlessly connect to the world of cryptocurrency with our powerful browser extension. Trade, stake, and manage your digital assets directly from your favorite websites with enterprise-grade security and lightning-fast transactions.

Instant Access

Connect to thousands of decentralized applications with a single click. No complex setup required - just install and start trading immediately.

Bank-Grade Security

Your private keys remain secure with advanced encryption and biometric authentication. Never worry about unauthorized access to your digital assets.

Universal Compatibility

Works seamlessly across all major browsers and supports over 500 cryptocurrencies. From Bitcoin to the newest DeFi tokens - we've got you covered.

Trusted by over 10 million users worldwide

500+ Supported Tokens
$2B+ in Trading Volume
99.9% Uptime

Powerful Features for Modern Traders

Everything you need to trade, invest, and manage your cryptocurrency portfolio with confidence and ease

Seamless Trading

Execute trades directly from any website without leaving your browsing experience. Our extension provides real-time price data and one-click trading across all major exchanges.

DeFi Integration

Access the entire decentralized finance ecosystem with native support for lending protocols, yield farming, and liquidity mining across multiple blockchains.

Portfolio Management

Track your investments across multiple wallets and blockchains with comprehensive analytics, profit/loss tracking, and automated tax reporting features.

Social Trading

Follow top traders, copy their strategies, and share your own trading insights with our built-in social features and performance leaderboards.

Advanced Security

Multi-factor authentication, hardware wallet integration, and transaction signing with biometric verification ensure your assets remain completely secure.

Mobile Sync

Seamlessly sync your extension with our mobile app for on-the-go trading. All your settings, watchlists, and portfolio data stay perfectly synchronized.

Bank-Level Security Meets Crypto Innovation

Your digital assets deserve the highest level of protection. Our extension implements industry-leading security protocols to ensure your cryptocurrency remains safe while providing seamless access to DeFi opportunities.

Military-Grade Encryption

AES-256 encryption protects your private keys and transaction data with the same level of security used by government agencies.

Biometric Authentication

Secure your wallet with fingerprint, facial recognition, or voice authentication for an extra layer of protection.

Hardware Wallet Integration

Seamlessly connect with Ledger, Trezor, and other hardware wallets for cold storage security with hot wallet convenience.

Zero-Knowledge Architecture

Our servers never see your private keys or transaction details. All cryptographic operations happen locally on your device.

Security Track Record

Zero
Security Breaches
$2.5B+
Assets Protected

Multi-Layer Protection

256-bit AES Encryption
Secure Key Management
Multi-Factor Authentication
Transaction Monitoring
SOC 2 Certified
ISO 27001

Seamless DeFi Integrations Across All Chains

Connect to the entire decentralized finance ecosystem with native support for leading protocols, exchanges, and blockchain networks

Trusted by Leading DeFi Protocols

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Multi-Chain Support

Connect to Ethereum, Polygon, Arbitrum, Optimism, and other leading blockchains with automatic network switching and gas optimization.

One-Click DeFi Access

Instantly access lending, borrowing, yield farming, and liquidity mining protocols without leaving your current webpage.

Cross-Chain Bridge

Transfer assets between different blockchains seamlessly with built-in bridging functionality and optimal routing algorithms.

Developer API

Integrate Coinbase Extension into your dApp with our comprehensive SDK and developer tools for custom blockchain experiences.

500+
Integrated Protocols
15+
Supported Blockchains
1M+
Transactions Daily

Build with Coinbase Extension

Integrate our extension into your dApp with comprehensive APIs, SDKs, and developer tools for seamless blockchain interactions

Built for Developers by Developers

Powerful APIs, comprehensive SDKs, and developer-first tools to integrate blockchain functionality into any application

Get Started in Minutes

main.js
// Initialize Coinbase Extension SDK
import { CoinbaseExtension } from '@coinbase/extension-sdk';

const extension = new CoinbaseExtension({
  appName: 'My DeFi App',
  network: 'ethereum',
});

// Connect wallet
const wallet = await extension.connectWallet();

// Execute transaction
const transaction = await wallet.sendTransaction({
  to: '0x...',
  value: '1000000000000000000', // 1 ETH
  data: '0x...'
});
50+
API Endpoints
99.9%
API Uptime

Developer Resources

Comprehensive Documentation

Complete guides, API references, and tutorials to get you started building with Coinbase Extension in minutes.

Developer Console

Real-time debugging tools, transaction monitoring, and performance analytics for your dApp integrations.

SDK & Libraries

JavaScript/TypeScript SDK, React hooks, and Web3.js plugins for seamless integration with your existing stack.

Sandbox Environment

Test your integrations on testnets with simulated transactions and comprehensive testing tools before going live.

Ready to Build the Future of DeFi?

Join thousands of developers building the next generation of decentralized applications with Coinbase Extension. Start your integration today with our comprehensive developer toolkit.

REST API

Full REST API with comprehensive endpoints for all wallet and transaction operations

WebSocket

Real-time updates for transactions, balances, and market data via WebSocket connections

GraphQL

Flexible GraphQL API for efficient data fetching and complex blockchain queries