Fiat Currency
Currently, ONFA is working with Vietnamese banks to pilot fiat transactions with VND.
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Currently, ONFA is working with Vietnamese banks to pilot fiat transactions with VND.
Last updated
Was this helpful?
Was this helpful?
🕒 Processing time: 08:00 - 20:00 daily (GMT+7)
No time limit applies to deposit transactions
âš Mandatory conditions:
KYC verified.
Linked personal bank account in the owner's name.
Step 1: Go to the Fiat Deposit.
Step 2: Enter the amount to deposit.
Minimum: 100,000 VNDT (equivalent to 100,000 VND)
Exchange rate: 1 VND = 1 VNDT (stablecoin pegged to VND)
Step 3: Proceed with payment.
Direct bank transfer.
Payment via QR Code.
Processing time:
Complete the transaction within 10 minutes.
⚠Note: Transactions must be processed within 10 minutes. If time is nearly exhausted, the user must cancel the order to create a new one. 🎉
Step 1: Switch to the Fiat Withdrawal.
Step 2: Enter the amount to withdraw.
Use the Max button to quickly select the entire balance or manually enter the desired withdrawal amount.
The system will convert automatically and includes a fee of 20,000 VNDT.
Limits:
Minimum: 100,000 VNDT.
Daily maximum limit: Subject to the withdrawal limits of each account tier.
Step 3: Link a bank account (if not yet linked)
Press Add an account.
Select a bank from the list or search.
Enter the account number.
Automatic verification (account holder name displayed) and press "Add" to attach.
Step 4: 2FA verification.
Enter the 6-digit code from the Authenticator app (or similar apps)
Processing time:
12 - 24 hours on business days.
Go to the History to view:
Transaction status (Success/Processing/Failed).
Transaction type (Deposit/Withdrawal).
Execution time.
Corresponding amount.
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.
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.