# How to register 4-digit CID

***Connect to the Aptos network in any of the three wallets, Martain, Petra and Pontem；***

> **Download Wallet Links：**
>
> *Martain Wallet*：<https://chrome.google.com/webstore/detail/martian-wallet-aptos-sui/efbglgofoippbgcjepnhiblaibcnclgk>
>
> *Petra Wallet*：<https://petra.app/>
>
> *Pontem Wallet*：<https://chrome.google.com/webstore/detail/pontem-aptos-wallet/phkbamefinggmakgklpkljjmgibohnba>

**Currency Symbol:** APT

***Click the CID registration link***  [***https://aptoscid.coming.chat/***](https://aptoscid.coming.chat/) ***and connect the wallet***

<figure><img src="https://4226581057-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-Mgmz5wWzvXtBmhbWsyb%2Fuploads%2FH37sZc6nB50WFdY3aNbq%2Fimage.png?alt=media&#x26;token=7a633c9b-4817-4ada-9707-273585e4dbc2" alt=""><figcaption></figcaption></figure>

***Enter the 4 digits you want and check for availability. The result would be ‘Available’ or ‘Unavailable’ as shown in the image***

<figure><img src="https://4226581057-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-Mgmz5wWzvXtBmhbWsyb%2Fuploads%2F1udah0OVDdA8sSEEyQBV%2Fimage.png?alt=media&#x26;token=1fa4d1fb-e5e3-4ad8-858b-1f75fd1ec94f" alt=""><figcaption></figcaption></figure>

***Click the CID that is ‘Available’ and you would be redirected to the next page as shown below***

<figure><img src="https://4226581057-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-Mgmz5wWzvXtBmhbWsyb%2Fuploads%2FvwfJLtQ2sbNPjtBjZBpt%2Fimage.png?alt=media&#x26;token=ace89211-f903-4e77-93cb-853c5dd87b7c" alt=""><figcaption></figcaption></figure>

***After calling up the wallet for signature and waiting for 5s, you can directly see the domain name with 4-digit CID on your address***

<figure><img src="https://4226581057-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-Mgmz5wWzvXtBmhbWsyb%2Fuploads%2Fich02BPaEpfumIBV8lg4%2Fimage.png?alt=media&#x26;token=4b57b0ea-d49d-48b3-9f5e-5d084ee5ba34" alt=""><figcaption></figcaption></figure>