Bitkey

Wallets

Block (formerly Square) hardware + mobile wallet combo. Simple 2-of-3 multi-sig: your phone, a hardware device, and Block's server as backup. Designed for mainstream Bitcoin self-custody with a focus on recovery.

Details

Type
Non-custodial
Platform
iOS, Android
Custodial
No
Developer
Block Inc.
Lightning
No
Multi Sig
Yes
Platforms
ios, android
Open Source
Yes
Bitcoin Only
Yes
Founded Year
2023
Multisig Support
Yes
Privacy Features
2-of-3 multi-sig with recovery
Lightning Support
No

Links

More Wallets

Sparrow Wallet

Sparrow Wallet is a Bitcoin-only desktop wallet for advanced users who prioritize privacy, security, and transaction control. Created by Craig Raw and first released in 2020, Sparrow supports full control over UTXO management, coin selection, transaction labeling, and fee estimation. It integrates with hardware wallets (Coldcard, Ledger, Trezor, Jade), supports multisig setups, connects to your own Bitcoin node, and includes built-in CoinJoin via JoinMarket or Whirlpool. Considered the gold standard desktop wallet for self-sovereign Bitcoin storage.

AirGap Vault

AirGap Vault is an open-source Bitcoin and cryptocurrency wallet system that uses an air-gapped smartphone as an offline signing device. The companion AirGap Wallet app handles the online portion while the Vault app — installed on a dedicated offline phone — signs transactions via QR codes. It supports Bitcoin, Ethereum, and Tezos with strong security architecture.

Alby

Alby is a Bitcoin Lightning browser extension that brings deep Lightning Network and Nostr integration to web applications, enabling payments and passwordless logins directly from the browser. It operates as a flexible wallet interface supporting both hosted custodial setups for easy onboarding and fully self-custodial configurations via Alby Hub, a standalone personal Lightning node. The extension supports on-chain Bitcoin, Lightning, Liquid Network assets, and Nostr key management across Chrome, Firefox, Edge, Safari, and other major browsers.

View all wallets

Reviews

No reviews yet. Be the first to share your experience!

Write a Review for Bitkey

0/2000

Free Beginners Guide to Buying Bitcoin

New to Bitcoin? Get our complete beginner's guide.