Electrum
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You can set Electrum V4.1.2 or newer as a watch-only wallet that functions as the companion app for Keystone Essential or Pro.
1. version V1.1.1 (BTC-Only) or newer running on Keystone Essential or Pro.
(Please read for more details.)
2. Electrum wallet V4.1.2 or newer version installed on a personal computer or smartphone.
3. MicroSD card (FAT32 format, capacity NOT exceeding 512 GB).
1. Open Electrum on your personal computer or smartphone.
2. Create a new wallet and select [Next].
3. Select [Standard wallet], then [Next].
4. Select [Use a master key], then [Next].
5. Select the camera icon in Electrum to scan Keystone's master public key or upload it to Electrum using a microSD card.
- Option 1: QR Code Scanning
① Select Electrum as the watch-only wallet on your Keystone hardware wallet that you've already setup, then touch the [•••] button on the top right of the screen.
② Select [Export Wallet] and get the public key in both QR code and text format.
③ On Electrum: Touch the camera icon on the [Create keystore from a master key] page and align the provided QR code with your camera connected to your device that is running Electrum to scan the QR code.
④ After the master public key has been successfully imported, select [Next].
- Option 2: MicroSD Data Transmission
① Insert your microSD card into Keystone.
② Setup the Keystone and select Electrum as the watch-only wallet. Touch the [•••] button on the top right of the screen.
③ Select [Export Wallet] and get the public key in both QR code and text format.
④ Select [touch here to export the file with micoSD], then press [Export] to export the master public key as a .txt file to your microSD card.
⑤ Take the microSD card out of Keystone and insert it into your personal computer or smartphone running Electrum.
⑥ On Electrum: Select the folder icon on [Create keystore from a master key] page, then find the master public key .txt file and open it.
⑦ After your master public key has been successfully imported, select [Next].
6. Set a strong wallet password.
7. Enter the watch-only wallet.
1. On Keystone: Touch [Addresses] to display the receiving addresses.
2. On Electrum: Select [Receive] > [New Address] to display receiving addresses (you can set receiving amounts).
1) Select [Send], choose a receiving address, set the transaction fee, and add a memo if required.
2) Select [Preview] to view the unsigned transaction data.
Tips: Here users can choose to sign the transaction via QR code or file.
- Option 1: By scanning unsigned transaction data
① Select [Export > [For hardware devices; include xpubs] > [Show as QR code] > Display the unsigned transaction data as a QR code.
② Touch the scanning icon in the top right corner of the Keystone main page and scan the QR code displayed by Electrum.
③ Sign the transaction on Keystone to obtain the signed transaction data.
- Option 2: Use a microSD card to transmit unsigned transaction data
① Insert the microSD card into your computer or smartphone.
② On Electrum: Select [Export] > [For hardware devices; include xpubs] > Click [Export to file] and export the unsigned transaction data as a .psbt file to your microSD card’s root directory.
③ Take out the microSD card from your computer or smartphone and insert it into your Keystone.
④ Touch the "microSD card" icon, then find and open the unsigned transaction .psbt file.
⑤ Sign the transaction on Keystone to obtain the signed transaction data.
Tips: Here users can choose to upload signed transaction data via QR code or file.
- Option 1: Uploading Signed Transaction Data with QR Code
① In the Electrum menu bar, select [Tools]>[Load transaction]>[From QR code]. Align the QR code displayed on Keystone with the camera.
② After the QR code is recognized, select [Broadcast] to broadcast the transaction to the blockchain network.
- Option 2: Upload Signed Transaction Data with a MicroSD card
① Once you signed the transaction on Keystone, select [Export] (if the signed transaction displays as a QR code, touch [export via micoSD] > [Export]) to export the signed transaction data as a .txt file to your microSD card.
② Take the MicroSD card out of your Keystone and insert it into your personal computer or smartphone that is running Electrum.
③ In the Electrum menu bar, select [Tools] > [Load transaction] > [From file], then find the signed transaction file in the microSD card root directory and open it.
④ Once the signed transaction data is uploaded to Electrum, select [Broadcast] to broadcast the transaction to the blockchain network.
Instructions recommended:
