Yes, most ADA gambling sites also accept fiat currencies alongside ADA. Fiat money refers to traditional government-issued currencies like USD, EUR, or GBP. These sites often provide a range of payment options, including credit/debit cards, bank transfers, and e-wallets, allowing you to deposit and wager with fiat money.
However, it's important to note that the availability of fiat payment methods may vary between different ADA gambling sites. Be sure to check the casino's payment options to see if they support fiat currencies in addition to ADA.