Sports betting operator FanDuel is cited in the American Banker column as stating many big banks (Bank of America, Capital One, Huntington Bank, and JPMorgan Chase) forbid their debit and credit cards to be used for online gambling purposes.

Debit cards are accepted by all online casinos. Debit card payments are processed instantaneously. No or low withdrawal fees so you don't have to worry about online casinos charging you. You can have peace of mind knowing there is stellar security protection using debit cards while you game online.