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Nunchuk Wallet

Name: Nunchuk Wallet
Author: WalletLab

Bitcoin multisig wallet and coordinator

We reviewed Nunchuk Wallet using 4 official and public sources. The notes below focus on custody, recovery, and security trade-offs.

Nunchuk makes multisig and inheritance more approachable while retaining self-sovereign options, but its strongest features also create policy, backup, and optional platform-key complexity.

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Good fit if you need

Bitcoin holders who want configurable multisig and inheritance planning
users able to manage several signer backups or hardware devices

Key specifications

Brand: Nunchuk
Role: Multisig Wallet
Custody: Self Custody
Platforms: iOSAndroidWindowsMacosLinux
Networks: bitcoin
Pricing: Free

Free to download and use

Backup and keys

Inheritance may use on-chain or off-chain timelocks; recovery is policy-specific rather than a universal single-seed flow.

Key setup: MultisigGenerated KeysImported KeysHardware BackedWatch only
Backup options: individual signer seed/key backupsmultisig wallet configuration and descriptorsassisted recovery and encrypted cloud configuration backupinheritance key and timelock plan

Security and privacy

Bitcoin multisig reduces single-key failure but introduces signer coordination, configuration-backup, platform-key, inheritance, and service-availability risks.

Encrypts keys locally: Yes
Privacy note: The official platform page makes a privacy claim, but the complete current policy and service metadata flow need a dedicated review.

Who runs it

Third-party providers can affect uptime, privacy, and recovery. They are documented here for context, not as ranking points.

Nunchuk platform key and assisted recovery service (Other; KYC: Not Required)
Personal Bitcoin full node (Node; KYC: Not Required)

Affiliate: No affiliate relationship recorded

Sources we checked

4 sources reviewed, with 4 documented claims tied to specific fields.

How Nunchuk multisig wallet works
Nunchuk is centered on Bitcoin multisig, flexible spending policies, optional personal full-node pairing, assisted recovery, and inheritance.
Nunchuk inheritance
Nunchuk states that its inheritance design is non-custodial, that it cannot move bitcoin, and that the platform key cannot act alone.
How Nunchuk multisig wallet works
The platform page documents encrypted configuration backup, assisted recovery, a dedicated inheritance key, and flexible spending controls.
libnunchuk repository
The public libnunchuk repository documents Nunchuk application integration and GPLv3 licensing; the CLI repository separately documents MIT licensing.

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