This guide will walk you through setting up a Bitcoin multisig wallet using Ledger hardware wallets and Unchained Capital.
- Create the Vault with Unchained
Start the Setup:
Visit the Unchained website and click on Vaults under Services.
Click Get started.
Scroll down to Self-setup and click Create an account.
Enter your email and password. Accept the terms and conditions and privacy policy, then click Create account.
Confirm your email address.
Create your profile.
Add Your First Key:
In your Unchained account, navigate to the upper left corner and click Keys.
Click Upload new key.
Name your key (choose a name you can easily remember) and click Next.
Export Your Public Key:
Select Ledger.
Connect your Ledger Nano to your computer using a cable.
Enter your PIN and unlock your Ledger device.
Open the Bitcoin app on your Ledger device.
Review the public key displayed on your Ledger device.
Press both buttons to approve the connection.
Click Connect to Ledger to use the Ledger Live app and upload your key to Unchained. Your private key remains secure and is never shared.
Review the exported public key and click Next.
On the Review key page, ensure all information is correct and click Create.
Add the Second Key:
After adding the first key, go back to the Keys section.
Click Upload New Key.
Connect a different Ledger device to your computer and unlock it.
Follow the same steps as above to add the second key.
- Create an Unchained Vault
Complete KYC Process:
Ensure you are approved for Tier 2, which requires completing the KYC process.
Create the Vault:
Once your Tier 2 account is approved, navigate to the Vaults page and click New vault.
Name your vault.
Select the two keys you uploaded to your Unchained vault earlier.
Review the vault information and click Create vault.
Select Custody Model:
Choose the Client-controlled model and click Next.
Click Sign on your own → Next.
Name your vault.
Click Pick a key and select one of the keys to use as a cosigner.
Click Next.
Click Pick a key and select the second key as a cosigner, then click Next.
Agree to the terms of the vault service agreement and click Create.
Click Continue.
- Make a Deposit
Deposit Funds:
Click Deposit.
Copy the deposit address.
Open the Ledger Live app and send BTC to your Unchained account using the copied address. - Create a Transaction
Initiate Withdrawal:
Click Withdraw.
Enter the withdrawal address and click Next.
Enter the amount you wish to withdraw.
Select recommended or custom fees and click Next.
Choose 2 of your cosigning keys to sign the transaction and click Next.
Review the transaction summary and click Create transaction.
Sign Transaction with the First Key:
Click Ledger. Your Ledger device key will be displayed.
Connect your Ledger device, enter the PIN, and unlock it.
Open the Bitcoin app on your Ledger device.
Click Sign with Ledger.
Review the transaction on your Ledger device and, if correct, approve it.
Download the signed PSBT.
Sign Transaction with the Second Key:
Connect your second Ledger device. Enter the PIN and unlock it.
Click Sign with Ledger.
Review the transaction on your second Ledger device and, if correct, approve it by pressing both buttons.
Click Broadcast to send the transaction.
You’re all set! Your multisig wallet is now configured and your transaction is on its way.
“Fill out the form to send a request to the wallet’s customer service.”