Nunchuk

Bitcoin multisig, done right — collaborative custody with hardware signers; desktop + mobile.

Type	Desktop wallet
Custody	Self-custody — the user holds the keys
Platforms	Windows, macOS, Linux, iOS, Android
Open source	Yes — source code
Multisig	Yes
Account / KYC	No identity verification
Official site	nunchuk.io

Cryptocurrencies it holds

Bitcoin BTC

Features

MultisigWorks with hardware wallets

Security record

Nunchuk has not been reviewed for the site's security record yet. The record counts only the maker's own failures — a firmware or app bug, a poisoned update, a breached vendor, weak key generation — and is kept in the wallet hacks review.

Questions

Which coins does Nunchuk support?

Bitcoin.

Is Nunchuk open source?

Yes. Its source code is public at https://github.com/nunchuk-io.

Does Nunchuk support multisig?

Yes. Nunchuk can hold one key of a multi-signature wallet, where several keys on separate devices are needed to move funds — the setup that survives any single wallet failing.

Is Nunchuk custodial?

No. Nunchuk is self-custody: the user holds the keys, and nobody else can move the funds.

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The wallets directory compares every wallet by type, custody and the coins it holds. A wallet's place there is not for sale.