Bitkey.

Your Bitcoin. Your control. Your security.

Bitcoin security concept

Features.

Hardware wallet meets mobile convenience

Hardware Security

Your private keys are stored offline in a dedicated hardware device, providing maximum security against online threats.

Mobile Integration

Seamlessly connect with your mobile app for easy transaction signing while keeping your keys secure.

Self Custody

Maintain complete control over your Bitcoin with true self-custody - no third parties, no intermediaries.

About.

Bitcoin made simple and secure

What is Bitkey?

Bitkey is a hardware wallet designed to make Bitcoin custody simple, secure, and accessible. Built by Block, Bitkey combines the security of hardware storage with the convenience of mobile connectivity.

The wallet consists of a hardware device that stores your private keys offline, paired with a mobile app that makes it easy to send, receive, and manage your Bitcoin while maintaining complete control over your funds.

Why Choose Bitkey?

  • Industry-leading security with offline key storage
  • Intuitive mobile app for everyday use
  • Recovery options to protect against device loss
  • Open-source software for transparency

Important Disclaimer

Investment Risk: Bitcoin and other cryptocurrencies are highly volatile and speculative investments. The value of Bitcoin can fluctuate dramatically and you may lose some or all of your investment. Only invest what you can afford to lose.

Technology Risk: Cryptocurrency technologies are relatively new and unproven. While Bitkey implements industry-standard security measures, no technology is 100% secure. Users are responsible for properly securing their devices and recovery phrases.

Regulatory Risk: Cryptocurrency regulations vary by jurisdiction and may change. It is your responsibility to ensure compliance with applicable laws and regulations in your area.

No Financial Advice: This website and the Bitkey product do not provide financial, investment, legal, or tax advice. Consult with qualified professionals before making any investment decisions.

User Responsibility: You are solely responsible for the security of your Bitcoin and the proper use of your Bitkey device. Always keep your recovery phrase secure and never share it with anyone.

Last updated: November 20, 2025. Bitkey is a product of Block, Inc. This website is for informational purposes only.