Unchained
Wallets
Unchained is a collaborative multisig Bitcoin platform that offers key management, Bitcoin IRAs, and lending services. Users hold two of three keys in a 2-of-3 multisig setup while Unchained holds one key as a co-signer, eliminating single points of failure. Founded in 2017 and based in Austin, Texas, Unchained serves both individuals and institutions.
Details
- Os
- Windows,macOS,Linux
- Type
- Web + mobile wallet (multisig, collaborative custody)
- Platform
- Web
- Custodial
- No
- Lightning
- No
- Platforms
- web, ios, android
- Open Source
- No
- Bitcoin Only
- No
- Founded Year
- 2017
- Multisig Support
- Yes
- Lightning Support
- No
- Hardware Wallet Support
- Yes
Links
More Wallets
Bitkey
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.
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.
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