Bitkey

Unclaimed

By Block, Inc.

Bitkey is a Bitcoin-only self-custody wallet made of a hardware device, a mobile app and a Block-held recovery key, using 2-of-3 multisig instead of a seed phrase.

What it does
  • Bitkey is a Bitcoin-only self-custody wallet made of a hardware device, a mobile app and a Block-held recovery key, using 2-of-3 multisig instead of a seed phrase.
More detail
  • Two of three keys must approve any transaction, so no single device, key or company can move your bitcoin alone.
Best for
  • Bitcoin-only holders who want self-custody without managing a seed phrase, including less technical users who want guided setup, built-in recovery routes and inheritance planning.
Pricing
  • The hardware device is sold at a one-time price of $250 on the official site.
More detail
  • No subscription, management fee, commission or interest product is disclosed
  • Block states it is not a custodian and the service is not offered under financial services licenses.
  • You pay Bitcoin network fees yourself on ev
Main limitation
  • People holding assets other than bitcoin, those who want no company-held key involved at all, or users without an NFC-capable phone on iOS 15.2+ / Android 7.0+.
Record
Living and monitored
Reviewed
Evidence
Public web research

Capabilities

A practical view of what is available and where limitations apply.

OfferingAvailableDetail
2-of-3 multisig key model YesAny two of three keys are required to approve a transaction; no single key can move bitcoin
Seed-phrase-free design YesBitkey deliberately does not use a seed phrase as the wallet's single secret
Bitcoin-only support YesThe wallet is designed specifically for Bitcoin and does not support other assets
Block-held recovery server key YesA third key runs in an AWS Nitro Enclave for recovery; Block states it cannot move funds alone
On-device transaction verification YesOLED touchscreen lets you verify transactions and security settings on the device
Biometric unlock YesThe hardware key requires your fingerprint and cannot be used by someone else
Transfer without hardware LimitedOpt-in feature with a user-set daily limit, co-signed by app and server keys
Recovery Contacts YesTrusted contacts can hold an encrypted backup for cases where both phone and device are lost
Integrated inheritance YesA built-in beneficiary path is offered for estate planning
Air-gapped operation NoThe hardware communicates with the phone over NFC rather than a fully air-gapped QR workflow

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Evidence

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Verification
  • Scribble researched these facts from the linked public sources.
  • The owner has not manually confirmed every field.
Last reviewed
Primary source
bitkey.world
Technical profile details
Record ID27dfa096-84c1-4523-b295-bd2a13f3ce3bCanonical URLhttps://profiles.scribble.network/listing/bitkey-27dfa096