Wouldn’t this be a cool game someone could build with crypto where all players will randomly give a unit of coin to other people every 5 minutes or so until som

Wouldn’t this be a cool game someone could build with crypto where all players will randomly give a unit of coin to other people every 5 minutes or so until some people get really rich? To keep it fair the game must run for a fixed amount of time before people are allowed to withdraw their money. Then a new round begins.