> 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/3rd-party-wallets/bitcoin-wallets/simple-bitcoin-wallet.md).

# Simple Bitcoin Wallet

Firmware version B-2.5 (BTC-Only) or newer will allow you to set *Simple Bitcoin Wallet* V2.4.23 or newer as a watch-only wallet that functions as the companion app for Keystone Essential or Pro.

## **I. Preparation**

1\. Setup your Keystone Essential or Pro. ([Tutorial](https://support.keyst.one/getting-started/setting-up-keystone-in-5-steps))

2.[ Firmware](https://keyst.one/firmware?locale=en) version B-2.5 (BTC-Only) or newer running on Keystone Essential or Pro.

{% content-ref url="/pages/-MVz-o9g8Dc-vlyVuAZj" %}
[Firmware Upgrade](/getting-started/firmware-upgrading.md)
{% endcontent-ref %}

3\. Android device with *Simple Bitcoin Wallet* V2.4.23 or later downloaded and logged in with your *Simple Bitcoin Wallet* account.

## **II. Creating a Watch-Only Wallet (BTC-Only) using *****Simple Bitcoin Wallet***

1\. On the Keystone hardware wallet, touch \[Menu] > \[Settings] > \[Watch-Only Wallet]. You can also complete this setup for your watch-only wallet during the initialization phase of your keystone device.

<figure><img src="https://2420738387-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FrQXQQRT6etffwhkFpfZG%2Fuploads%2FT5RLxbaJy3d9bThGHRB6%2F1.jpg?alt=media&amp;token=9f24fedc-45ff-4b7f-88f3-32f5509b07d3" alt="Keystone-SimpleBitcoinWallet-1"><figcaption></figcaption></figure>

2\. Select \[Generic Wallet], then touch \[Confirm] and enter the wallet. Touch the \[•••] icon, then select \[Export Wallet] to show the QR code to display the information required to pair your keystone device with a generic wallet (includes the wallet XPUB, Keystone's fingerprint, and derivation path).

<figure><img src="https://2420738387-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FrQXQQRT6etffwhkFpfZG%2Fuploads%2FyOmnKwxnEoH3GR0MNjhN%2F2.jpg?alt=media&amp;token=6acb4946-0dd2-4034-ad57-3acb81587690" alt="Keystone-SimpleBitcoinWallet-2"><figcaption></figcaption></figure>

3\. Run the *Simple Bitcoin Wallet* app, touch \[Create new wallet], then touch the “setting” icon on the top right corner and press \[Add hardware wallet].

<figure><img src="https://2420738387-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FrQXQQRT6etffwhkFpfZG%2Fuploads%2Fi1A2AQHdRXIbMWv5aj8m%2F3.jpg?alt=media&amp;token=962a8c96-f7c7-4b4b-9a29-48fdf20c7666" alt="Keystone-SimpleBitcoinWallet-3"><figcaption></figcaption></figure>

4\. Use your smartphone's camera to scan the QR code displayed on your Keystone device, then set a label for your hardware wallet and press \[OK]. *Simple Bitcoin Wallet* can now be used as the watch-only wallet for Keystone.

<figure><img src="https://2420738387-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FrQXQQRT6etffwhkFpfZG%2Fuploads%2F4twalmfLv4exrH3kWgJU%2F4.jpg?alt=media&amp;token=3e2d37b9-71bf-4307-96d2-454a7cb9f9de" alt="Keystone-SimpleBitcoinWallet-4"><figcaption></figcaption></figure>

## III. Sending and Receiving Bitcoin with *Simple Bitcoin Wallet*&#x20;

### A. Receiving Bitcoin&#x20;

You can use either receiving addresses displayed on your Keystone device or *Simple Bitcoin Wallet* to receive bitcoin.

**- Displaying Address on Keystone**

1\. Enter your generic wallet interface on your Keystone device and select a receiving address to display it in QR code format.

<figure><img src="https://2420738387-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FrQXQQRT6etffwhkFpfZG%2Fuploads%2FUJyrjMOq8VVn2lQqvX3G%2F5.jpg?alt=media&amp;token=1fddbd7f-624c-4190-ab82-d002b588ab7d" alt="Keystone-SimpleBitcoinWallet-5"><figcaption></figcaption></figure>

**- Displaying Addresses on your&#x20;*****Simple Bitcoin Wallet***

1\. Select the wallet that you want to display its address, for this tutorial, this would be \[Keystone Hardware wallet].

<figure><img src="https://2420738387-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FrQXQQRT6etffwhkFpfZG%2Fuploads%2FuoH4LnO9GvxVWefGUoVO%2F6.jpg?alt=media&amp;token=df971595-978f-4c15-b78b-824d5015c98c" alt="Keystone-SimpleBitcoinWallet-6"><figcaption></figcaption></figure>

2\. Alternatively touch \[Receive] on the bottom right of your screen > then select \[Receive to Bitcoin address] to display the receiving address.

<figure><img src="https://2420738387-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FrQXQQRT6etffwhkFpfZG%2Fuploads%2FxR7JuOLbgsfuv9vOwtb0%2F7.jpg?alt=media&amp;token=6ac1b4ab-0ad5-4fc4-b0c7-7ed6852a5cd4" alt="Keystone-SimpleBitcoinWallet-7"><figcaption></figcaption></figure>

### B. Sending Bitcoin

**1. Using&#x20;*****Simple Bitcoin Wallet*****&#x20;to Create Transactions**

1\) Touch \[Send] to enter the remittance interface, then configure the receiving address and touch \[OK] and choose a wallet (e.g. Keystone hardware wallet).

<figure><img src="https://2420738387-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FrQXQQRT6etffwhkFpfZG%2Fuploads%2F8viXYpfB2sggLfCKfcff%2F9.jpg?alt=media&amp;token=2775d3f3-399c-466a-82a5-25f1a2cae74e" alt="Keystone-SimpleBitcoinWallet-8"><figcaption></figcaption></figure>

2\) Set your desired amount, transaction fees, and label (optional), then touch \[OK] to display the unsigned transaction information in a dynamic QR code format.

<figure><img src="https://2420738387-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FrQXQQRT6etffwhkFpfZG%2Fuploads%2F7YGToizNhwr4S8Quomjs%2F10.jpg?alt=media&amp;token=b643eacb-f4a9-42b0-88cf-228d33c3d8d8" alt="Keystone-SimpleBitcoinWallet-9"><figcaption></figcaption></figure>

**2. Using Keystone Hardware Wallet to Sign Transactions**

1\) Touch the \[scan] icon on Keystone and use the camera on your hardware wallet device to scan the QR code displayed on *Simple Bitcoin Wallet*.

<figure><img src="https://2420738387-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FrQXQQRT6etffwhkFpfZG%2Fuploads%2FMBgWH7hQsx3bOSrDX1Uv%2F11.jpg?alt=media&amp;token=0fae7c67-1edd-45e2-92cd-d43536333e36" alt="Keystone-SimpleBitcoinWallet-10"><figcaption></figcaption></figure>

2\) Check the transaction details. Then touch \[Sign], and input your password / fingerprint for your device to obtain the signed transaction information (awaiting broadcast).

<figure><img src="https://2420738387-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FrQXQQRT6etffwhkFpfZG%2Fuploads%2FWJcXmp111TZt8CwlwYOb%2F12.jpg?alt=media&amp;token=c7a4d382-6e42-4e71-b678-1176f182f105" alt="Keystone-SimpleBitcoinWallet-11"><figcaption></figcaption></figure>

**3. Using&#x20;*****Simple Bitcoin Wallet*****&#x20;to Broadcast Transactions**

1\) Touch \[OK], and use your smartphone camera to scan the QR code displayed on your Keystone device to transmit the signed transaction data.

2\) Open up the broadcasting interface on your *Simple Bitcoin Wallet* and touch \[OK] to broadcast the transaction.

<figure><img src="https://2420738387-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FrQXQQRT6etffwhkFpfZG%2Fuploads%2FYGXwysVFRZstM99sgMKB%2F13.jpg?alt=media&amp;token=833302a0-ad92-449a-abc1-172722e55346" alt="Keystone-SimpleBitcoinWallet-12"><figcaption></figcaption></figure>