"We are delighted that the victor is a South Carolinian and has come forward to claim this remarkable prize", said Hogan Brown, the South Carolina Lottery Commission's Executive Director, in a statement.
The victor, from SC, has elected to remain anonymous and chose the cash option of a one-time payment of $877,784,124.
The lottery commission's statement gave no clue as to why the victor took his or her time to come forward.
"The State of SC will benefit from $61 million that will be collected in income taxes from the victor", said Brown.
"We are delighted that the victor is a South Carolinian and has come forward to claim this remarkable prize", Hogan Brown, the Commission's Executive Director, said.
The victor had until 5 p.m. on April 19 to come forward with the winning ticket.
His first unsolicited advice to the Mega Millions victor was to sign the back of the winning ticket immediately, because "whoever hands it in to the Lottery Commission with their name on the back of it is the victor", Yahoo reported.
A billion-dollar mystery in SC has been solved.
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The unnamed person who bought that ticket reportedly let another customer ahead in line to buy a Mega Millions ticket.
Some theorized that the victor was on the run from police and feared a background check if he or she won.
Mystery has surrounded the victor, who failed to come forward for months after the October 23 drawing.
The victor, perhaps not surprisingly, has opted to stay anonymous. The winning ticket was sold in NY.
The statement Monday gave no clue as to why the victor took his or her time to come forward.
The organisation said the winner's good luck was a result of a "simple act of kindness".
The triumphant Mega Millions contender has retained a NY lawyer, Jason Kurland, who specialises in representing lottery winners, and a news conference is to be held following completion of the payment process in the near future, the commission said. And that could get passed along to taxpayers if a proposal goes through to give a $50 rebate to each person who files income taxes.
He added: "What we're hoping is that, through the taxpayer rebate, all taxpayers in this state will also benefit as a result".