An online lottery is a type of gambling where players can buy tickets online and play games for real money. They can also access information about past draws and jackpots. Some sites offer a range of lottery games, including Keno.

There are a number of different online lotteries available, and they are all legal in the United States. They are operated by state governments and are designed to raise funds for local projects and charities. They are generally free to use, but some can be expensive.

Many state governments have laws governing online lottery sales, and these can vary from state to state. Some have restrictions on what type of game is allowed to be played and the maximum price for a ticket. Others have strict guidelines on age limits and minimum amounts.

The most popular US lotteries are Mega Millions and Powerball. Both are available to play online, as well as several smaller state-wide lotteries and multi-state games.

These lotteries are based on the old lottery model where players choose numbers and hope to win a prize. Some even require players to fill out an entry form.

Some online lottery websites also allow players to play games on mobile devices. These sites are designed to be compatible with smartphones and tablets, so players can enjoy playing their favourite lotteries from anywhere in the world.

Online lottery operators are licensed by the states where they operate, and their responsibilities include the collection of taxes on prizes of $600 or more. The IRS requires them to send W2-G forms for these prize payments, and they can also withhold 24% of the winner’s federal tax.

Most US lottery sites allow players to deposit and withdraw funds using a variety of banking solutions, including debit cards and e-wallets. These methods are convenient and secure, and they make it easy to transfer your winnings to a bank account.

Some online lottery sites also offer special promotions for their regular players. These can be in the form of bonuses or even promo codes. They may be in the form of free games or extra tickets for certain prize levels.

These bonuses and promotions can be a great way to get some extra cash into your account, and they are typically available on both desktop computers and mobile devices. They are also a great way to try out the latest lottery games before you decide to invest any money.

The best online lottery sites provide a wide selection of international lotteries, allowing players to win hundreds of millions of dollars in prize money. These sites offer a number of ways to win, from scratch card-style games to instant win games.

They also offer a wide range of jackpot games, which can be won for as little as $2. They can also help you win larger prizes, ranging from $100 to $100,000.

Unlike land-based lotteries, online lotteries are free to join and play. All you need is a valid internet connection and a computer or mobile device with a browser.