In March 2009, it was reported that New Jersey, already a Mega Millions member, sought permission to join Powerball. Shortly after, discussions were revealed about allowing each US lottery to offer both games. On Oct 13, the Mega Millions consortium and MUSL reached an agreement in principle to cross-sell Mega Millions and Powerball.[9] In Nov, MUSL signed an agreement to start streaming Powerball drawings online.[10][11]
Powerball lottery draws are held every Wednesday and Saturday at 22h59 Eastern Time and are broadcast live. The results of each lotto draw are not official until they are audited by an accounting firm. There are nine prize tiers on the Powerball Lottery, with approximate prizes ranging from $4 - $1,000,000. Players' tickets for the US Powerball are purchased by our ticket purchasing offices based in Connecticut, USA.
Mega Millions (which began as The Big Game in 1996 and renamed, temporarily, to The Big Game Mega Millions six years later) is an American multi-jurisdictional lottery game; it is offered in 44 states, the District of Columbia, and the U.S. Virgin Islands. The first (The Big Game) Mega Millions drawing was in 2002; see below. (What is now Mega Millions initially was offered in six states; the logo for all versions of the game following the retiring of The Big Game name featured a gold-colored ball with six stars to represent the game's initial membership.)

Jump up ^ "Mega Millions jackpot reaches record $500 million". Komo News. Sinclair Interactive Media. March 28, 2012. Retrieved September 4, 2013. The jackpot was originally announced at $476 million early Wednesday morning but rampant ticket sales boosted the estimated payout to the $500 million mark. Tuesday night's jackpot was $363 million, fed by weeks of drawings without a top winner. It has rolled 18 times since Marcia Adams of College Park won $72 million in the Jan. 24 drawing. A winner could get $19.2 million a year for 26 years or a single payment of $359 million. The previous record jackpot in the Mega Millions game was $390 million in 2007, split by two winners in New Jersey and Georgia.
The winner, who has not yet claimed the prize, has 365 days from the draw date to turn in the ticket at one of nine California Lottery District Office locations. The lucky person has two options for payment: A payment plan for about $543 million (before federal taxes) paid out over 29 years or a lump cash sum of $320.5 million (before federal taxes). 
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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