# Pair with Polkadot Vault

{% hint style="warning" %}
The following steps include actions you must perform on both your **Polkadot Vault Device** and your **Nova Spektr Device**.

They are valid in case you are adding your first wallet into Nova Spektr.
{% endhint %}

{% hint style="info" %}
Actions for each device are clearly labelled below.
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<div align="left"><figure><img src="https://4183353316-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FgpjHmwxjqhwNUnQJcqG2%2Fuploads%2FuBUcKVFTFH2fYHH9H4wa%2FWallet%20Management%20-%20Polkadot%20Vault%20-%20Pair%20with%20Polkadot%20Vault.avif?alt=media&#x26;token=a74cdf11-c9cc-4d86-9947-6240b6daf0f8" alt=""><figcaption></figcaption></figure></div>

1. Open the Nova Spektr Application <mark style="background-color:blue;">(Nova Spektr device)</mark>.
2. **Select** the Polkadot Vault option <mark style="background-color:blue;">(Nova Spektr device)</mark>.
3. **Open** the Polkadot Vault application on your mobile device <mark style="background-color:purple;">(Polkadot Vault Device)</mark>.
4. On your <mark style="background-color:purple;">(Polkadot Vault Device)</mark>, **select** the public address below your account name (as shown in the video demonstration in the Nova Spektr application).
5. A **QR code** will now appear on your <mark style="background-color:purple;">(Polkadot Vault Device)</mark>, point the camera of your <mark style="background-color:blue;">(Nova Spektr device)</mark> so that it captures the image of the QR code which is displayed on your <mark style="background-color:purple;">(Polkadot Vault Device)</mark>.
6. You can now **name your wallet** in the Wallet name field <mark style="background-color:blue;">(Nova Spektr device)</mark>.

{% hint style="info" %}
By default, **hard derivation path keys** will be generated for each network based on each chain's chain spec details. For example, //polkadot for Polkadot, and //kusama for Kusama <mark style="background-color:blue;">(Nova Spektr device)</mark>.
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<details>

<summary>In case you would like to add Custom derivation path keys...</summary>

<img src="https://4183353316-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FgpjHmwxjqhwNUnQJcqG2%2Fuploads%2FPGcG3Hz53rhx2hu6pLks%2FPolkadot%20Vault%20-%20Pairing%20-%20Add%20More%20Keys.png?alt=media&#x26;token=95452012-bac1-47de-92a8-e80f2e581bbb" alt="" data-size="original">

1. Select the **Add more keys** button <mark style="background-color:blue;">(Nova Spektr device)</mark>.

<img src="https://4183353316-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FgpjHmwxjqhwNUnQJcqG2%2Fuploads%2FgLWV5h9iQt8f6W95l8XX%2FPolkadot%20Vault%20-%20Pairing%20-%20Custom%20Keys.png?alt=media&#x26;token=abdee52e-50e6-4ebe-88e4-5c306c882722" alt="" data-size="original">

2. From the **Network** dropdown list, select the network for which you wish to add a new derivation path key <mark style="background-color:blue;">(Nova Spektr device)</mark>.
3. Select the type of derivation path key you wish to add from the **Type** of key dropdown list – Nova Spektr provides you with some predefined options: **Hot, Public, Staking, Governance** <mark style="background-color:blue;">(Nova Spektr device)</mark>.
   * *\*Optional – if you wish to add a **custom derivation path key**, select **Custom key** from the dropdown list – you can then input your custom derivation path key in the derivation path field* <mark style="background-color:blue;">(Nova Spektr device)</mark>*.*
4. *\*Optional - Tick the **Sharded** account option to create a multishard account then set the **number of shards** from 2-50 <mark style="background-color:blue;">(Nova Spektr device)</mark>.*
5. Input the **display name** for this account under the **Key display name** field <mark style="background-color:blue;">(Nova Spektr device)</mark>.
6. Review the **derivation path key** in the **derivation path field** <mark style="background-color:blue;">(Nova Spektr device)</mark>.
7. Select the **Add new key** button to add this new derivation path key <mark style="background-color:blue;">(Nova Spektr device)</mark>.

<img src="https://4183353316-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FgpjHmwxjqhwNUnQJcqG2%2Fuploads%2FZWXAIJSGywU7aSGoTEFF%2FPolkadot%20Vault%20-%20Pairing%20-%20Save.png?alt=media&#x26;token=d6630d71-1c4f-4990-81bf-bae1491d97e8" alt="" data-size="original">

4. Select **Save** <mark style="background-color:blue;">(Nova Spektr device)</mark>.

</details>

{% hint style="info" %}
Sharding creates a set of different keys (shards) that are independent of each other but associated with each other in the Nova Spektr application for some operations.&#x20;

A sharded account consists of multiple keys (shards) numbered from 0 to the total number of shards minus 1. Each shard is created with a hard derivation path (//0, //1, //2,...,//N-1)
{% endhint %}

{% hint style="info" %}
To add accounts for each network, repeat the previous steps as many times as you want.
{% endhint %}

11. Select **Continue** <mark style="background-color:blue;">(Nova Spektr device)</mark>.
12. Using your <mark style="background-color:purple;">(Polkadot Vault Device)</mark>, **scan** the QR code that has appeared on your <mark style="background-color:blue;">(Nova Spektr device)</mark>.
13. A **QR code** will now appear on your <mark style="background-color:purple;">(Polkadot Vault Device)</mark>, point the camera of your <mark style="background-color:blue;">(Nova Spektr device)</mark> so that it captures the image of the QR code which is displayed on your <mark style="background-color:purple;">(Polkadot Vault Device)</mark>.
14. Your Polkadot Vault wallet is now paired with Nova Spektr.