# Connect with Kaikas wallet extension

## Using Kaikas extension with Biometric wallet

Kaikas is a PC browser based extension wallet for the Klaytn platform. Users will be able to interact with the Kaikas wallet to perform Klaytn-based transactions including KLAY and BApps, while the owner verification and authorization are performed through biometric authentication on the D’CENT Biometric hardware wallet.

\[**Kaikas is available here**]\
[Download Kaikas from Chrome Web Store](https://chrome.google.com/webstore/detail/kaikas/jblndlipeogpafnldhgmapagcccfchpi?h)\
[Download Kaikas from Firefox Add-on Store](https://addons.mozilla.org/ko/firefox/addon/kaikas/?src=search)

### How to connect Kaikas with Biometric wallet

**Step 1)** Download and install the D’CENT bridge program on your PC. Installing the bridge program will enable communication between the PC browser and the hardware wallet.

\[**D’CENT bridge program**]\
[Download D’CENT bridge program](https://bridge.dcentwallet.com/v2/download)

**Step 2)** Plug in your D’CENT Biometric Wallet to the USB port on your PC and authenticate yourself to unlock the hardware wallet.

<div align="left"><img src="https://4208291398-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-M50hxCNYm5Y8rdrUs_k%2F-MHPgL4xChVR6BPMxqtN%2F-MHPzaHZn16BqGQCJDn7%2FConnect%20Biometric%20to%20PC.png?alt=media&#x26;token=4436b721-96f9-4e0d-9844-be5a82a614a1" alt=""></div>

**Step 3)** From your browser, click on the **Kaikas extension** icon.

<div align="left"><img src="https://4208291398-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-M50hxCNYm5Y8rdrUs_k%2F-MHPgL4xChVR6BPMxqtN%2F-MHPzyO-fC9bvgddwoR9%2FKaikas%20extension%20on%20PC.png?alt=media&#x26;token=c1305462-3ca1-4e71-a617-813114111c7d" alt=""></div>

**Step 4)** Unlock Kaikas wallet and click the **Manage Accounts** icon on the top menu.

<div align="left"><img src="https://4208291398-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-M50hxCNYm5Y8rdrUs_k%2F-MHPgL4xChVR6BPMxqtN%2F-MHQ-Ku5zvd6sDebqLzj%2FKaikas%201.png?alt=media&#x26;token=7e521e3a-9892-4fcc-848e-12649300033b" alt=""></div>

**Step 5)** From the Manage Accounts screen, click on **Connect**. In the next screen, select **D’CENT** as your hardware wallet and click **Connect**.

<div align="left"><img src="https://4208291398-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-M50hxCNYm5Y8rdrUs_k%2F-MHPgL4xChVR6BPMxqtN%2F-MHQ-cJkwaFfQtP8Tr2w%2FKaikas%202.png?alt=media&#x26;token=a1c95c90-5662-41dc-8697-75234ad77780" alt=""></div>

**Step 6)** From your browser, click on the **Kaikas extension** icon again to open the wallet service. You will notice that the Kaikas wallet now displays the **Klaytn account from the D’CENT Biometric Wallet.**

<div align="left"><img src="https://4208291398-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-M50hxCNYm5Y8rdrUs_k%2F-MHPgL4xChVR6BPMxqtN%2F-MHQ-ofeuYmUvk8iYWk0%2FKaikas%203.png?alt=media&#x26;token=bc458cb9-5147-4ae8-b0b5-dae1decd5abd" alt=""></div>

{% hint style="info" %}
&#x20;You can always switch between multiple Klaytn wallet accounts by pressing the **Manage Accounts** icon.
{% endhint %}