Official Bitcoin Self-Custody by Block
Bitkey Wallet is the official Bitcoin self-custody solution developed by Block, Inc. Secure your Bitcoin using a combination of hardware device, mobile app, and multi-signature security designed for long-term safety and ease of use.
Any two of these three keys must work together to approve transactions
You always remain in complete control of your Bitcoin
Purpose-built for BTC security—not a multi-coin wallet
Trusted global financial-tech company behind Cash App
What makes Bitkey special
Uses a hardware device, mobile app key, and cloud backup for balance safety.
You always remain in complete control of your Bitcoin.
Recover safely even if your phone or hardware device is lost.
A dedicated physical device adds strong offline protection.
Backed by a global, trusted financial-tech company.
Easy to use for new Bitcoin users.
Purpose-built for BTC security—not a multi-coin wallet.
Bitkey is a modern, non-custodial Bitcoin-only wallet that ensures you maintain full control over your digital assets. Its 2-of-3 multisig architecture protects users from common threats like device theft, phishing attacks, and loss of access.
Whether you're a beginner or an advanced Bitcoin holder, Bitkey provides a trusted, secure, and streamlined experience.
Bitkey splits access across three separate keys for maximum security and convenience.
Stored securely on your smartphone for convenient daily transactions and wallet access.
Stored offline on the dedicated Bitkey hardware device for maximum security protection.
Encrypted and stored securely in the cloud for wallet recovery and backup purposes.
To approve transactions, any two of these three keys must work together. This provides strong protection against theft, unauthorized access, accidental loss, and single-point failure.
Other valid combinations:
Common questions about Bitkey Wallet and Bitcoin self-custody
This content is for educational purposes only. We are not affiliated with Bitkey or Block Inc. Cryptocurrency involves risk. Always verify information from official sources and conduct your own research before using any digital wallet or financial tool.