Unclaimed prizes are kept by the lottery jurisdiction. If a Grand Prize goes unclaimed, the money must be returned to all lotteries in proportion to their sales for the draw run. The lotteries then distribute the money, based on their own jurisdiction's laws, to other lottery games or to their jurisdiction's general fund, or otherwise as required by law.
You do not have to be a U.S. citizen or U.S. resident to play Powerball®. Players from jurisdictions where Powerball tickets are not sold, either in the United States or outside the country, can purchase Powerball tickets from a retailer licensed or authorized by the selling jurisdiction, if they meet the legal age requirement in the jurisdiction of purchase. Federal and jurisdictional income taxes may apply to any claimed prize money.

Winning the jackpot requires matching all five numbers, plus the Powerball. Players who match five numbers win $1 million; players who match four numbers plus the Powerball win $50,000; players who match four numbers win $100; players who match three numbers plus the Powerball win $100; players who match three numbers win $7; players who match two numbers plus the Powerball win $7; players who match one number plus the Powerball win $4; and players who match only the Powerball win $4.
When Texas joined Mega Millions in 2003, it began offering an option, initially available only to Texas Lottery players, known as the Megaplier, which was similar to Powerball's Power Play. The 11 Mega Millions lotteries without Megaplier on the January 31, 2010 cross-selling date gradually added the multiplier option; by January 2011, all Mega Millions lotteries, except for California, offered the Megaplier. The Texas Lottery owns the trademark to Megaplier.[8]
Other winners in excess of $250 million: On December 25, 2002, Jack Whittaker, president of a construction firm in Putnam County, West Virginia, won $314.9 million ($428 million today), then a new record for a single ticket in an American lottery. Whittaker chose the cash option of $170 million, receiving approximately $83 million after West Virginia and Federal withholdings.[35]

Powerball is an American lottery game offered by 44 states, the District of Columbia, Puerto Rico and the US Virgin Islands. It is coordinated by the Multi-State Lottery Association (MUSL), a nonprofit organization formed by an agreement with US lotteries. Powerball's minimum advertised jackpot is $40 million (annuity); Powerball's annuity is paid in 30 graduated installments or winners may choose a lump sum payment instead. One lump sum payment will be less than the total of the 30 annual payments because of the time value of money.

In the aftermath of the attack on the World Trade Center on September 11, 2001, the legislature in Albany, fearing a monumental loss of revenue, passed legislation the following month, which was signed by Governor George Pataki, which included joining a multi-jurisdictional lottery game. Around the same time, for entirely different reasons, Ohio's governor also gave the green light to joining a multi-jurisdictional game. Both lotteries opted to join The Big Game, which, at the time, was offered in seven states. The added populations of the two new jurisdictions, in turn, led to a larger double matrix. The first machine continued to hold white 52 balls, while 16 gold balls were added in the second, meaning there were 52 numbers to pick from in both parts of each $1 game. On May 15, 2002, the game was renamed The Big Game Mega Millions; shortly after, it became just Mega Millions. Except for the 2010 cross-selling expansion, this was the only time The Big Game or Mega Millions simultaneously added more than one member.
Powerball is an American lottery game offered by 44 states, the District of Columbia, Puerto Rico and the US Virgin Islands. It is coordinated by the Multi-State Lottery Association (MUSL), a nonprofit organization formed by an agreement with US lotteries. Powerball's minimum advertised jackpot is $40 million (annuity); Powerball's annuity is paid in 30 graduated installments or winners may choose a lump sum payment instead. One lump sum payment will be less than the total of the 30 annual payments because of the time value of money.
The owner of the store that sold the ticket is incentivized to get the winnings to the right person as this is the only way they can receive their bonus for selling the winning tickets (They will not get paid until any disputes have been settled) – In the case of the Iraqi man winning the Oregon State lottery, the shop that sold the ticket received a $64,000 ‘selling bonus’.

For a monthly fee, PlayEuroLotto syndicate betting can boost your chances of winning a serious lottery prize dramatically. In a syndicate betting, lottery players pool their lines for a draw and agree to share any prizes won. If any of those lines wins, then you get to share in the prize money. The more shares you bet with, the larger the share of the prize money you win. Acording to the UK National Lottery, 1 in 4 jackpots is won by a syndicate.

Lotto America was the first lottery game offered by MUSL. In 1987, six states and the District of Columbia banded together, since, on their own, they could not create jackpots into the tens of millions of dollars that had become commonplace in the most popular single-state lottery games. MUSL's first game was called "Lotto America" even though only those seven jurisdictions took part. The first Lotto America drawing was in 1988.


The two different methods, both offer you, the player, the same user experience and the only difference is in the back end of how the online lottery ticket provider works. The two methods that online lottery sites use differ in one key way; They either have agents and employees all over the world that physically purchase tickets on behalf of clients or, the more recent phenomenon is when companies essentially take out an insurance policy on every ticket which is tied to the size of the jackpot. This is the difference between you playing the lottery online and betting on the lottery online*. In the latter option you are, de facto, not playing the US Powerball online but rather you are placing a bet with an insurance company on the outcome of the corresponding Powerball draw. 
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