# 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="../3rd-party-wallets/bitcoin-wallets/casa" %}
[casa](https://support.keyst.one/3rd-party-wallets/bitcoin-wallets/casa)
{% 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="../3rd-party-wallets/bitcoin-wallets/electrum/electrum-2-2-psbt-multi-signature" %}
[electrum-2-2-psbt-multi-signature](https://support.keyst.one/3rd-party-wallets/bitcoin-wallets/electrum/electrum-2-2-psbt-multi-signature)
{% endcontent-ref %}

{% content-ref url="../3rd-party-wallets/bitcoin-wallets/electrum/electrum-2-3-psbt-multi-signature" %}
[electrum-2-3-psbt-multi-signature](https://support.keyst.one/3rd-party-wallets/bitcoin-wallets/electrum/electrum-2-3-psbt-multi-signature)
{% endcontent-ref %}

## With Sparrow

{% content-ref url="../3rd-party-wallets/bitcoin-wallets/sparrow/sparrow-2-3-psbt-multi-sig" %}
[sparrow-2-3-psbt-multi-sig](https://support.keyst.one/3rd-party-wallets/bitcoin-wallets/sparrow/sparrow-2-3-psbt-multi-sig)
{% endcontent-ref %}

## With Specter

{% content-ref url="../3rd-party-wallets/bitcoin-wallets/specter/cobo-vault-+-coldcard-+-specter" %}
[cobo-vault-+-coldcard-+-specter](https://support.keyst.one/3rd-party-wallets/bitcoin-wallets/specter/cobo-vault-+-coldcard-+-specter)
{% endcontent-ref %}

{% content-ref url="../3rd-party-wallets/bitcoin-wallets/specter/specter-2-3-multi-sig" %}
[specter-2-3-multi-sig](https://support.keyst.one/3rd-party-wallets/bitcoin-wallets/specter/specter-2-3-multi-sig)
{% endcontent-ref %}

## With BlueWallet

{% content-ref url="../3rd-party-wallets/bitcoin-wallets/bluewallet/bluewallet-2-3-psbt-multi-sig-bulewallet-keystone-and-coldcard" %}
[bluewallet-2-3-psbt-multi-sig-bulewallet-keystone-and-coldcard](https://support.keyst.one/3rd-party-wallets/bitcoin-wallets/bluewallet/bluewallet-2-3-psbt-multi-sig-bulewallet-keystone-and-coldcard)
{% endcontent-ref %}

{% content-ref url="../3rd-party-wallets/bitcoin-wallets/bluewallet/bluewallet-2-3-psbt-multi-sig" %}
[bluewallet-2-3-psbt-multi-sig](https://support.keyst.one/3rd-party-wallets/bitcoin-wallets/bluewallet/bluewallet-2-3-psbt-multi-sig)
{% endcontent-ref %}

## With Nunchuk

{% content-ref url="../3rd-party-wallets/bitcoin-wallets/nunchuk" %}
[nunchuk](https://support.keyst.one/3rd-party-wallets/bitcoin-wallets/nunchuk)
{% endcontent-ref %}