Bitkey Wallet is the official Bitcoin self-custody solution developed by Block, Inc., the company behind Cash App and Square. Engineered for simplicity and long-term safety, Bitkey blends a hardware device, a secure mobile app, and a unique 2-of-3 multisig system to give users complete and resilient control over their Bitcoin.
Why Bitkey?
Because holding your Bitcoin should be simple, secure, and always in your hands — not a custodian's.
Bitkey stands apart from traditional wallets by focusing exclusively on Bitcoin and delivering a streamlined ownership model that reduces risk without overcomplicating the user experience. Its architecture ensures that no single device, platform, or company can access or move your Bitcoin without your approval.
Only you hold the keys that secure your Bitcoin.
Hardware device + mobile app + encrypted cloud backup.
Simple setup, intuitive actions, smart prompts.
Offline device adds strong protection against digital threats.
From one of the world's most trusted financial-technology teams.
Purpose-built to achieve maximum clarity and security.
Bitkey uses a 2-of-3 multi-signature model, meaning three keys exist — but any two are required to make a transaction:
stored on your phone
stored offline for high-security actions
encrypted and used only for recovery
This system prevents single-point failure. If you lose your phone, your hardware device + cloud key restores access. If the device is lost, your phone + cloud key still protect your funds. Block never gets enough keys to move your Bitcoin.
Bitkey = Security + Simplicity.
No seed phrases. No complex backups. No third-party control.
Just safe Bitcoin ownership — built for everyday users.
Any 2 of the 3 keys can authorize transactions
Yes. Bitkey includes an official hardware device that pairs with the mobile app for secure signing.
No. Bitkey is strictly Bitcoin-only for improved safety and precision.
You can restore access using your hardware device and cloud backup key. Your Bitcoin stays safe.
No. It is completely non-custodial. You — not Block — control your Bitcoin.
Absolutely. Bitkey's setup and design are made to be easy for beginners while still offering powerful protection.
This page is for educational purposes only. We are not affiliated with Bitkey or Block Inc. Always verify details through official sources and perform independent research before using any cryptocurrency wallet.