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Relai + Electrum with hardware wallet (Bitbox, Trezor, Ledger etc.)
Relai + Electrum with hardware wallet (Bitbox, Trezor, Ledger etc.)
Luca avatar
Written by Luca
Updated over 3 months ago

Preparation

Relai offers the feature that you can receive the bitcoin purchased from Relai, directly to your own hardware wallet. This requires the following:

  1. The Relai app

  2. A computer

  3. Electrum

  4. A hardware wallet such as the Bitbox, Trezor, Ledger, etc.

💡 Make sure that your hardware wallet has already been set up with the appropriate manufacturer software before setting it up with Electrum.

Set up Electrum with your hardware wallet

Since the manufacturer software of hardware wallets usually does not offer a function to sign a message, Electrum must be used for this purpose.

Electrum is an open source Bitcoin wallet software.

💡 You can continue to use your hardware wallet with the manufacturer's software even after using Electrum.

  1. Download Electrum from https://electrum.org/#download for free. Do not download Electrum from any other source than electrum.org.

  2. This step is not mandatory, but it is recommended to verify the downloaded software with a GPG signature.

  3. Once you have installed Electrum, open the program.

  4. To use your hardware wallet with Electrum, you need to link the wallet in Electrum.

  5. Click 'Create new' to create a wallet configuration.

  6. Enter any name in 'Wallet:" and click 'Next'.

  7. Select 'Standard wallet'.

  8. Select 'Use a hardware device'.

  9. In this step you will be asked to connect your hardware wallet to the computer. If you have already connected your hardware wallet, it will be displayed here.

    Select it and click 'Next'.

  10. If you are using a BitBox and are trying to connect it to Electrum, make sure that no other software on your computer, such as the native BitBox software/app, is already connected to your BitBox, before you start the process.

  11. Depending on which device you are using, you will be asked to confirm the code displayed in Electrum on your hardware wallet.

  12. Select the address format 'native segwit' (bc1q addresses) in this step.

    You can leave the derivation path below the default setting.

    Click on 'Next'.

  13. Check 'Encrypt wallet file' to encrypt the wallet configuration.

Signing a message from the Relai app

Find a new address of your hardware wallet in Electrum

  1. Open Electrum

  2. Switch to the 'Addresses' tab. If you don't see this tab, click on 'View' at the top of the toolbar and click on 'Show Addresses'.

  3. Select the address for which you want to sign a message.

  4. Copy this address with a right click → 'Copy' → 'Address'.

  5. Click on 'Tools' > 'Sign/verify message' in the menubar.

  6. Paste the copied address into the 'Address' field.

  7. Send the copied address to your smartphone, on which you use the Relai app. The following programs are recommended for this purpose:

    - WhatsApp Web

    - Telegram Web

    - email

    - For Mac and iPhone users → Handoff

Create a buy order in the Relai app

  1. Open the Relai app.

  2. Create a purchase order.

  3. Click on the 'Use external wallet' button on the 'Order summary' screen.

  4. Click on the 'Add address manually' button.

  5. Paste your wallet address copied from Electrum and click 'Confirm'.

  6. Confirm the investment by clicking the 'Confirm Investment' button.

  7. Copy the message with the copy button.

  8. Send the message to your computer where you have installed Electrum.

  9. Click 'Continue'.

Sign message in Electrum

  1. Paste the message copied from the Relai app into the 'Message' field.

  2. Click the 'Sign' button.

  3. Confirm the signature on your hardware wallet.

  4. Copy the signature in the 'Signature' field.

  5. Send the signature to your smartphone with the Relai app installed.

Confirm signature in the Relai app

  1. Paste the copied signature from Electrum into the field and click 'Done'.

  2. The payment details of the created order will be displayed as usual.

  3. Pay for the order.

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