One of the measures Californians will likely get to vote on this fall does more than just allow betting on sports: Critics are concerned it will effectively block smaller gaming companies and startups from operating in the state.

Those are high stakes for an industry that could rake in over $3.5 billion each year from California bettors – and for a state that prefers to see itself as the startup capital of the world.

Of the four sports betting initiatives competing to make November’s ballot, one, paid for by online sports betting giants FanDuel, DraftKings and BetMGM, would allow gaming companies and Native American tribes to provide sports betting online across the state.