> For the complete documentation index, see [llms.txt](https://support.keyst.one/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://support.keyst.one/advanced-features/multi-signature.md).

# Multi Signature

Before start using Keystone for bitcoin multi-signature, it's highly recommended to fully digest these 2 articles (tutorials):

{% embed url="<https://medium.com/shiftcrypto/the-pitfalls-of-multisig-when-using-hardware-wallets-9b0e98e4c19c>" %}

{% embed url="<https://btcguide.github.io/>" %}

## With Casa

{% content-ref url="/pages/-MkpBGPcelERWFQflli\_" %}
[Casa](/3rd-party-wallets/bitcoin-wallets/casa.md)
{% endcontent-ref %}

{% hint style="info" %}
**Tip：Please check** [**here**](https://keys.casa/keystone) **for more related tutorial and details.**
{% endhint %}

## With Electrum

{% content-ref url="/pages/-MW9CO2vcUxAXuQ5x\_f2" %}
[Electrum 2/2 PSBT Multi-sig](/3rd-party-wallets/bitcoin-wallets/electrum/electrum-2-2-psbt-multi-signature.md)
{% endcontent-ref %}

{% content-ref url="/pages/-MW9DogEawYCC7SDn5Ng" %}
[Electrum 2/3 PSBT Multi-sig](/3rd-party-wallets/bitcoin-wallets/electrum/electrum-2-3-psbt-multi-signature.md)
{% endcontent-ref %}

## With Sparrow

{% content-ref url="/pages/-MYcJltOZihHVJNT33Jq" %}
[Sparrow Wallet 2/3 PSBT Multi-sig](/3rd-party-wallets/bitcoin-wallets/sparrow/sparrow-2-3-psbt-multi-sig.md)
{% endcontent-ref %}

## With Specter

{% content-ref url="/pages/-MVzjfEvgSZoZrQ-hfoG" %}
[Specter 2/2 PSBT Multi-Sig](/3rd-party-wallets/bitcoin-wallets/specter/cobo-vault-+-coldcard-+-specter.md)
{% endcontent-ref %}

{% content-ref url="/pages/-MdoHp2fqzi1CxYQkWJ8" %}
[Specter 2/3 PSBT Multi-Sig](/3rd-party-wallets/bitcoin-wallets/specter/specter-2-3-multi-sig.md)
{% endcontent-ref %}

## With BlueWallet

{% content-ref url="/pages/-Mf6cBoOINjuvhnOeRyQ" %}
[BlueWallet 2/3 PSBT Multi-sig: BlueWallet + Keystone + ColdCard](/3rd-party-wallets/bitcoin-wallets/bluewallet/bluewallet-2-3-psbt-multi-sig-bulewallet-keystone-and-coldcard.md)
{% endcontent-ref %}

{% content-ref url="/pages/-MewiPrgoLeQoXde14j1" %}
[BlueWallet 2/3 PSBT Multi-sig: Keystone + ColdCard + SeedPicker](/3rd-party-wallets/bitcoin-wallets/bluewallet/bluewallet-2-3-psbt-multi-sig.md)
{% endcontent-ref %}

## With Nunchuk

{% content-ref url="/pages/IGQTcrQZo0SkoaxNWL9V" %}
[Nunchuk](/3rd-party-wallets/bitcoin-wallets/nunchuk.md)
{% endcontent-ref %}