Hardware Wallets Fact-checked 2026-08-14

Bitkey

Established 2023

Jack Dorsey's Block built a Bitcoin-only cold wallet with 2-of-3 multisig recovery for normal people.

Bitkey is Block's answer to self-custody for the mainstream: a hexagonal hardware key, a phone app, and Block's servers holding a third key in a 2-of-3 multisig scheme. If you lose the device, the app and server keys can recover your Bitcoin — without anyone unilaterally controlling it.

Quick facts

Founded

2023

Pros

2-of-3 multisig balances safety and recoverability
Dead-simple app designed for non-crypto people
Backed by a major public company's security team

Cons

Bitcoin only — no other assets
Recovery depends on Block's servers remaining available
Limited power-user features

Best for

Bitcoin beginners who fear losing their keys

Fees

Hardware US$150; no ongoing fees.

Security notes

2-of-3 multisig: your hardware key + phone app + Block's key. A compromise of one key can't move funds — a genuinely safer default than single-key wallets for newcomers.

bitcoin-onlymultisigblock

Frequently asked questions

What is Bitkey?

Bitkey is Jack Dorsey's Block built a Bitcoin-only cold wallet with 2-of-3 multisig recovery for normal people. Bitkey is Block's answer to self-custody for the mainstream: a hexagonal hardware key, a phone app, and Block's servers holding a third key in a 2-of-3 multisig scheme. If you lose the device, the app and server keys can recover your Bitcoin — without anyone unilaterally controlling it.

Is Bitkey safe to use?

2-of-3 multisig: your hardware key + phone app + Block's key. A compromise of one key can't move funds — a genuinely safer default than single-key wallets for newcomers. As always, verify details on the official site before trusting funds to any service.

How much does Bitkey cost?

Hardware US$150; no ongoing fees. Figures change — confirm current pricing on the official site before deciding.

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