The All-In-One Crypto Platform

Say goodbye to endless migrations.

Seamlessly manage your assets across unlimited EVM networks and major native chains like Bitcoin and Solana - all in one place. From secure storage to active DeFi participation, move assets across chains, interact with protocols, and stay in control without switching wallets. EXTRA WALLET: designed for crypto users. Extensible for developers.

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What’s unique

A new standard for browser wallet security

Keys Isolated From The UI

The Signer operates in complete isolation from the main application, ensuring private keys remain protected.

True Air-Gapped Mode

Create wallets, sign transactions, and back up keys in an offline desktop environment.

Modular Application Architecture

Enable only the features you use. Extensions are visible in the menu only when enabled.

Advanced Wallet Recovery

Scan derived addresses across chains and recover balances with configurable presets.

Secure QR Backups

Back up your mnemonic with AES-256 encrypted QR codes handled by the isolated signer.

Developer-First Extensibility

Create custom modules with full API access and signer-side integration for advanced Web3 workflows.

Networks

21 Supported Blockchain Networks

One seed phrase for all of your crypto

Integrations

Multi-Layer Integration Stack

Features

Core EXTRA WALLET Capabilities

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Apps

Built-In Extensions

Every extension is already built into your wallet, ready to use. Just switch them on or off in seconds, without external downloads or plugin management required.

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- EVM Swap
  From integrated DEXs to a growing library of extensions, EXTRA WALLET enhances the crypto experience—without leaving the app.
- Stacking
  Stake supported assets directly from your wallet and earn rewards while keeping full control.
- Address Checker
  Check any crypto address for risk signals and contract details before sending funds.
- WalletConnect
  Connect your wallet to Web3 apps to interact with DeFi, NFT platforms, and other services.
- EVM Transaction Simulation
  Simulate a transaction before signing to preview its real on-chain outcome.
- Seed QR Protector
  Encrypt sensitive wallet data into secure QR codes for safe backup and offline transfer.

Security

Security & Reliability

Built With Your Safety in Mind

Wallet Recovery Phrase Safety

Keep your wallet recovery phrase secure with our password- protected QR code—no more worries about losing access.

Open-Source Assurance

We're all about transparency. Our code is available on GitHub so anyone interested can see how we keep things safe.

Local Data Storage

All your wallet data is saved right on your device, meaning only you can access it—shielded from internet threats.

Air-gapped Security

Our wallet supports offline signing for maximum security, offering an even higher security standard than hardware wallets.

For developers

Open-Source Infrastructure For Web3 Development

Built With Your Safety in Mind

Learn More →

Build Extensions

Develop modular extensions that integrate seamlessly with the wallet ecosystem, enabling new features.

Use The EXTRA WALLET API

Access balances, gas data, transaction history, price feeds, RPC routing, and utilities through a unified developer API.

Leverage The HD Derivations Library

Work with flexible HD derivation presets across chains and build advanced wallet and recovery solutions.

Feature Comparison

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Feature
Offline Signing Workflow	Full offline mode (air-gapped flows)			Hardware only
Manual Transaction Simulation	Built-in
Encrypted QR Mnemonic Tool	Yes
Isolated Signing	Yes			Device-based
Address Risk Intelligence	Multi-source	Basic	Partner	Limited	Limited	Limited