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slices owned
100 slices. Buy one and it's in every daily spin until somebody buys it off you, and they have to pay you more than you paid.
A slice nobody owns costs 100K $SPIN. Once it's yours, it's in every spin, every day, for as long as you hold it.
At any time, for 20% more than you paid. You don't get a say, but you get your money back plus half the difference, paid on the spot.
Whoever owns the winning slice takes 60% of the pot. The rest rolls to tomorrow. If nobody owns the winning slice, the whole pot rolls.