An online casino is a digital platform where you can wager real money and play games like slots, blackjack and roulette. The best casinos online also offer a mobile app and excellent customer support. They also feature a variety of promotions and loyalty programs.

Before you sign up, it’s important to check out a casino’s reputation and legality. Look for the website’s privacy policy and make sure they use secure encryption to protect your personal information. Additionally, read reviews from trusted sources to avoid being scammed.

Once you’ve signed up, your online casino will send a verification code to your email or phone number. You’ll need this to verify your identity and deposit money into your account. Once you’ve done that, you can begin playing and hopefully win!

One of the best things about a casino online is that they can offer a wider range of games than their bricks and mortar counterparts. They can also switch up which games they offer at any time, meaning there’s always something new to try out or even old favourites to play again. Often, you can practice a game for free before making a real-money bet too.

The best online casinos are licensed and regulated by reputable gaming authorities. They also offer a smooth user experience and are easy to navigate on desktop computers, tablets and phones. They also have a high payout rate and provide fast withdrawals. In addition, they should have a wide variety of banking options and 24/7 customer support.