# Fiat Currency

### **Buy USDT with Fiat**

To purchase USDT with **Fiat currency**, you must enable this function by:

**Step 1: Access the "Wallet" section.**

* On the ONFA Wallet interface, locate and click **"Wallet"** (on the main menu bar).
* Click the **"Receive"** (Receive).
* Here you will see the list of cryptocurrencies that can be deposited into the wallet.

**Step 2: Select USDT (Tether).**

* Find and select **USDT (Tether)** from the list.
* Select the network **Polygon.**
* The system will display your USDT wallet address (which can be copied or scanned via QR).
* Click "Close" to proceed to the next step.\
  → This is an important step for the system to recognize that you intend to purchase USDT with fiat currency

  <figure><img src="https://3543960588-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FHVUlozWTsEZi0p2AOyyB%2Fuploads%2FXfdANCHu2oEyhNDl7Of5%2FONFA%202FA%20USDT.png?alt=media&#x26;token=1edc9969-df5d-4adb-b31c-2fb61f6c95b0" alt="" width="563"><figcaption></figcaption></figure>

**Step 3: Return to the "Fiat" tab.**\
→ At this point the **Buy USDT** page will be ready.

* Select **"Buy USDT"** (Buy USDT).

<figure><img src="https://3543960588-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FHVUlozWTsEZi0p2AOyyB%2Fuploads%2FRVZHCXmdwGhnZr0mjP5v%2F2025-06-20_10-05-34.png?alt=media&#x26;token=ee1438df-0186-4e87-a7ac-6b57eaa34794" alt="" width="375"><figcaption></figcaption></figure>

**Step 2: Execute the USDT purchase.**

* **Enter the USD amount you wish to buy in "You Pay".**
  * For example: 1,000 USD → The system will automatically calculate **the corresponding USDT amount**.
* **Select a payment method**:
  * **Bank card (Visa/Mastercard).**
  * **Apple Pay / Google Pay.**
* **Review fees & exchange rate** (displayed in detail below the payment method).
* Quantity **USDT** will be converted in the **"You receive (estimate)"** (Estimated amount you will receive)
* **Click "Buy now"** → Follow the subsequent steps to complete the transaction.

{% hint style="warning" %}
[Countries and currencies will be disabled from June 10, 2025](https://transak.notion.site/Countries-Currencies-to-be-Disabled-from-10th-June-2025-1fadfbdeb5d18047a398c18334cb2865)
{% endhint %}

<figure><img src="https://3543960588-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FHVUlozWTsEZi0p2AOyyB%2Fuploads%2FKBsgMiGI3W90yvDAdLz2%2FSnag_38bae4f6.png?alt=media&#x26;token=cc1c7189-62df-4d57-a274-c76622b81490" alt="" width="227"><figcaption></figcaption></figure>

**Step 3: Check your USDT balance.**

* After successful payment, **USDT will be automatically credited to your ONFA wallet**.
* Verify by going to **"Wallet" → View USDT balance**.