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12 docs tagged with "multisig"

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Blockstream Green

Blockstream Green is a mobile and desktop Bitcoin wallet with optional 2FA multisig and hardware wallet integration.

Caravan

Open-source multisig coordinator by Unchained Capital. Web-based tool for building and managing multisig transactions without installing software.

Casa

Fee-based collaborative custody service providing managed multisig vaults and personal security consulting.

Collaborative Custody Providers

Side-by-side evaluation of Casa, Unchained, Nunchuk, and other collaborative custody providers covering multisig quorums, key management, recovery flows, and fees.

Custody Models

Comparison of self-custody, multisig, collaborative custody, and custodial solutions with threat-model guidance for choosing the right approach.

Multisig

Deep dive into n-of-m multisignature schemes, hardware wallet coordination, deterministic wallets (BIP-85), and popular multisig coordinators (Sparrow, Nunchuk, CARAVAN).

Nunchuk

Mobile-first Bitcoin wallet focused on multisig and collaborative custody. Designed for shared vaults and inheritance planning.

SeedSigner

Open-source, DIY Bitcoin signing device built from commodity hardware. Designed for air-gapped seed generation, transaction signing, and multisig coordination without trusting proprietary hardware.

Sparrow Wallet

Sparrow Wallet is a desktop Bitcoin wallet focused on privacy, security, and flexibility. It supports single-sig and multisig setups and is designed for users who want full control over their coins and connections.

Specter Desktop

Open-source DIY multisig coordinator for Bitcoin. Runs as a desktop application with optional hardware wallet integration.

Unchained Capital

Collaborative custody provider and financial services company focused on bitcoin-native products.

Which Custody Model Fits My Threat Model?

Decision framework for choosing between single-sig, multisig, collaborative custody, and custodial solutions mapped to specific threat models and capability levels.