THE FUTURE OFBITCOIN CUSTODYIS HERE
Download the new Nunchuk Wallet Extension. Now bringing the gold standard of Bitcoin security to your browser.
Why the Extension is a Game Changer
Discover how our extension improves upon existing Nunchuk mobile and desktop apps
Instant Access
Launch your wallet from your browser in seconds. No installs, no friction.
Secure In-Browser Signing
NFC, Air-gapped, and Multisig support baked directly into your browser.
Auto-Inheritance Protocol
Extension-first support for seamless inheritance fallback planning.
Live Bitcoin Fee Estimator
Know the exact cost, no guesswork, real-time mempool insights.
Taproot & PSBT Optimization
Experience faster, cheaper, and more private transactions natively.
Non-Custodial Magic
No logins, no KYC, your keys, your rules.
Extension in Action
See how seamless Bitcoin management becomes with our browser extension
Nunchuk Wallet
Recent Transactions
Works Where You Work
Compatible with all major browsers
Chrome
Firefox
Edge
Opera
Coming soon
More browsers coming soon...
The Gold Standard of Bitcoin Custody
Trusted by Bitcoiners worldwide for uncompromising security
Built by Bitcoiners, for Bitcoiners
Created by Bitcoin veterans who understand the importance of true self-custody and financial sovereignty.
Audited and Open-Source Foundations
Built on battle-tested, open-source code that's been audited by leading security firms in the industry.
Privacy-Focused, Forever
No tracking, no data collection, no compromises. Your privacy is paramount, and always will be.
Be the First to Experience the Most Secure Wallet Extension Ever Built
Join the exclusive early access program and help shape the future of Bitcoin security in browsers.