Most times, online casinos demand to see copies of a debit or credit card of the players, the car usually has the 8 numbers in the middle on the front and also the CV2 code located on the back of the card blanked out. In addition to this, players are required to show copies of their utility bills to further prove their address and an ID with photograph showing the user’s face, full name and signature. This ID can be a passport or driving license.