I love this idea. Maybe try to get dash to sponsor it? I bet they would love to be featured and you could call it crypto dash. You could make everyone start with dash and then I stand send into other cryptos. (This could be done with any coin but I think dash might pay you to make the game).
OH! dibs on a little part of your idea and a little from the show Parks and Rec... here it is. The game should be called Coins of Dash-shire (Cones of Dun-shire Ripoff)