Bitcoin Safe
Wallets
Bitcoin Safe is an open-source desktop Bitcoin savings wallet designed for individuals, families, and companies, with its v1.0 launch supported by an OpenSats grant in 2025. It is built on the Bitcoin Dev Kit (BDK) and designed around hardware wallet multisig setups, supporting over 15 major hardware signers including Coldcard, Ledger, Jade, SeedSigner, and Foundation Passport. Features include interactive UTXO management, Nostr-based label sync and encrypted peer chat, and CPFP support for fee bumping. Available on Windows, macOS, and Linux.
Details
- Platform
- Windows,macOS,Linux
- Custodial
- No
- Open Source
- Yes
- Wallet Type
- desktop
- Kyc Required
- No
- Lightning Support
- No
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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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