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

  

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

• Select "Buy USDT" (Buy USDT).

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.

Countries and currencies will be disabled from June 10, 2025

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.