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Nunchuk

Open source collaborative custody with multiple multisig options and flexible inheritance planning

Security Foundation

Multisig Options

2-of-3
2-of-4
3-of-5

Source Code

Free and Open source

Recovery Options

​If a key in your Nunchuk multisig wallet is lost or compromised, you can initiate a key replacement through the Nunchuk app.

Privacy

KYC Requirements

  • No KYC required

Network Privacy

  • Tor support: Yes
  • Private node: Yes

Inheritance Features

Beneficiary Setup

You set up a secure Bitcoin vault with multiple keys and give one key (the inheritance key) to your chosen beneficiary. You also create a Magic Phrase and a Backup Password, which help your beneficiary find and unlock the inheritance.

Inheritance Process

If you pass away or go silent, your beneficiary can start the claim process. You’ll have a short window to cancel it if you’re still around. If not, after the waiting period ends, they can use their key to access the Bitcoin

Platform Support

Mobile App
iOS, Android
Desktop App
macOS, Linux, Windows
Web App
No

Expert Review

"Nunchuk offers a powerful, open-source approach to Bitcoin collaborative custody, ideal for users who want maximum flexibility and control over their multisig setup while maintaining privacy."

Supported Hardware Wallets

Multiple hardware wallet options supported for enhanced security