A casino online is a website or app that allows you to play games such as blackjack, video poker, and roulette on your computer or mobile device. The sites usually offer bonuses and promotions to attract and retain players. They also use secure connections and encryption to ensure that personal information is safe from hackers. Some sites allow you to play for real money, while others are free to join and have no minimum deposit amount.

When choosing an online casino, you need to think about your gaming preferences and what kind of games you want to play. You should also consider whether dollars are accepted and if the casino offers US-friendly banking options. Most importantly, you should look for a great selection of games and top quality customer support.

Signing up for an account at a new casino online is relatively easy and can be done from any internet-enabled device. You will need to provide basic contact information (name, address, email) and a form of ID, such as a driver’s license or passport. The casino will use this to verify your identity and ensure that you are located in a state where gambling is legal.

Many casinos online have wagering requirements, which means that you need to place a certain number of bets before you can withdraw any winnings from your casino account. This is to protect the casino from players who simply sign up for a bonus and then immediately withdraw all their money.