You can add funds to your Quantfury account balance at any time. Make sure to fund your account balance wallet in the same type of cryptocurrency that your current account balance is funded in.
To add funds to your account balance wallet:
Go to the Quantfury app side menu, and tap on 'Account';
Scroll down, and tap on 'Add Funds';
If you are funding from an existing wallet - send funds to the address displayed, and they will be added to your account balance as soon as the funds arrive. If you are buying crypto via bank card - select an amount you wish to buy, enter your card details and billing address, confirm the transaction, and the funds will be credited instantly.