The world's most secure Bitcoin wallet with three-key architecture.
Hardware security, mobile convenience, and backup protection all in one.
Hardware Key
Mobile App
Backup Key
Bitkey uses an innovative three-key approach to keep your Bitcoin safe while maintaining ease of use.
Your hardware device stores one key completely offline, providing ultimate protection against online threats.
Your mobile app holds another key, enabling quick transactions while maintaining security through multi-key approval.
A secure backup key ensures you never lose access to your Bitcoin, even if you lose your hardware device.
Requires multiple keys to authorize transactions, eliminating single points of failure.
Hardware device keeps your primary key completely offline and secure from hackers.
Multiple recovery methods ensure you can always regain access to your Bitcoin.
Developed by Block, the company behind Cash App and Square, with years of security expertise.
Download the Bitkey app and order your hardware device to start securing your Bitcoin today.
Download the Bitkey app to get started
Order your Bitkey hardware device
Our support team is here to help you every step of the way.
Find answers to common questions
Get help via email
Chat with our support team
Bitkey is developed by Block, Inc. (formerly Square), bringing years of payment processing expertise to Bitcoin security.
Our mission is to make Bitcoin accessible and secure for everyone, combining the convenience of mobile payments with the security of hardware wallets.