A casino online is a virtual gambling platform that offers a variety of games that are similar to those found in brick-and-mortar casinos. These websites and mobile applications allow players to gamble with real money, using random number generators to ensure fairness. They also offer bonuses and promotions to attract new players and reward existing ones.

Before registering at an online casino, check the terms and conditions for any restrictions that apply. These policies should outline how you interact with the site, including account creation and closure, game selection, bonus claiming, and other issues that may arise. Moreover, the terms and conditions should also provide you with details on how to protect your personal information.

Once you have registered with an online casino, you can begin playing real-money games by transferring funds from your bank account to the casino’s bankroll. Then, as you play, winnings and losses are reflected in your bankroll, which you can withdraw at any time. However, some online casinos will limit how much you can deposit and withdraw.

You should look for a platform that offers a large range of games, including popular options like slots and poker. It is also a good idea to check if the casino offers a variety of betting levels and wagering limits, so you can play at your comfort level. In addition, a reputable casino will offer a secure website, and it should use encryption to ensure the safety of your financial transactions.