Online casinos are web-based gambling sites that allow players to play a variety of casino games via desktop computers, mobile devices and tablets. They typically offer a secure environment to protect personal and financial information. They also provide a wide range of games and bonuses. Many are licensed and regulated by reputable gaming authorities.

To play real money casino games, you must first register for an account with the online casino site. This usually involves entering your name, email address and other contact information. In addition, some online casinos require additional verification methods such as the last four digits of your social security number. These measures are to protect your identity and ensure that only you can access your account.

Most online casinos accept a wide variety of banking options. Some even support e-wallets, which are convenient and fast. However, you should always check the terms and conditions of each casino to see if your preferred payment method is supported. You should also look at the number of deposit and withdrawal options, as well as transaction fees.

Most online casinos have a mobile app that allows players to play games from their smartphones or tablets. The mobile experience typically mirrors the desktop version, with a complete game library, secure transactions and full account management. In addition, mobile casinos have a variety of bonus offers, including free spins and matchup bonuses. Some online casinos also offer loyalty bonuses for regular players, ranging from money and credit to tournament entries and merchandise.