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Bitkey

Bitcoin Only
Self-Custody Wallet
Established Est. 2024
United States
Inheritance Score: 80/100
Self-custody bitcoin wallet built by Block (formerly Square). Features a built-in inheritance system where you name a beneficiary directly in the app. After a 6-month waiting period following a claim, the beneficiary gains access to the wallet. No multisig complexity for the heir.

Core Features

Multisig Support Yes
Timelocks Supported
Guardian Services Not available
Bitcoin Only Yes

Fees & Pricing

Fees$150 one-time hardware purchase. No monthly or annual fees. Inheritance features included at no extra cost.

Security

2-of-3 multisig: mobile app key, hardware device key, and Block server recovery key. Biometric authentication on mobile. Hardware device uses NFC tap for signing. Automatic key rotation.

Process

Deceased Verification

Trusted contacts system: designated contacts can initiate recovery after a waiting period. Block verifies identity of trusted contacts. Configurable delay period before recovery completes.

Distribution Methods

Trusted contacts initiate recovery through Bitkey app. After the delay period and verification, the recovery key enables fund access. Designed for non-technical beneficiaries.

Legal & Compliance

Built by Block, Inc. (NYSE: XYZ). Non-custodial — Block holds only the server recovery key and cannot move funds unilaterally. Subject to US regulatory framework as a publicly traded company.

Customer Support

In-app support, email, and comprehensive help center. Backed by Block's customer service infrastructure. Regular firmware and app updates.

Leadership

LG
Lindsey Grossman
Head of Product

Frequently Asked Questions About Bitkey

Bitkey offers Self-Custody Wallet services with multisig wallet support and timelocked transactions. Self-custody bitcoin wallet built by Block (formerly Square). Features a built-in inheritance system where you name a beneficiary directly in the app. After a 6-month waiting period following a claim, the beneficiary gains access to the wallet. No multisig complexity for the heir.

Bitkey's pricing: $150 one-time hardware purchase. No monthly or annual fees. Inheritance features included at no extra cost.. Confirm current pricing directly with Bitkey as fees may vary based on your estate size and service tier.

Yes, Bitkey supports multisig (multi-signature) arrangements, which require multiple private keys to authorize a transaction. This ensures your Bitcoin cannot be moved without your participation during your lifetime, while still allowing heirs to recover funds after your death.

Yes, Bitkey supports timelocks, which are script conditions that prevent a transaction from being spent until a specific block height or date. This enables automatic transfers to heirs after a defined period of account inactivity.

Yes, Bitkey is a Bitcoin-only service, meaning they focus exclusively on Bitcoin inheritance and do not handle other cryptocurrencies. This specialisation often means deeper expertise in Bitcoin-native estate planning techniques.

About this analysis

21Rates Editorial TeamBitcoin Financial Research Analysts

Our research team analyses Bitcoin inheritance providers using security scoring, legal compliance research, and user reviews. We independently verify service terms and maintain up-to-date information to help you plan your estate with confidence.

Last verified: August 2026

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