Casino online is gambling that takes place on the Internet, with a wide range of real-money games accessible via desktops and mobile devices. Most of the same games available at physical casinos can be found on casino websites, including blackjack, roulette, and poker. In addition to real-money gaming, many online casinos offer lucrative welcome bonuses and free spins to attract new players. These bonuses can be redeemed for thousands of dollars in wagering credits, and are a great way to try out a site before investing any money.

Most legitimate online casinos accept a variety of secure banking options, from traditional credit cards to e-wallet solutions. These methods are usually fast, safe, and easy to use, but some may come with transaction fees. Be sure to check the terms and conditions of each site before choosing one.

The best online casinos have excellent customer support, with agents available through live chat and email. They also detail their privacy policies clearly and make it easy to ask questions. You should also find out if they have a FAQ page and whether their support team speaks your language.

Some casino sites also offer the option to play for real money using Bitcoin, which is a popular alternative to traditional payment methods. However, it is important to remember that gambling with Bitcoin is illegal in some states and countries, so you should always gamble responsibly and only with money you can afford to lose.