How to Make a Smart Contract With Bit Coins and Block Chains

Deaces ar a way to bet on an outcome. All you kneed is an oracl someone attesting tho outcome, like who on the super ball. And it's all based on bit coin, and doesn't require any changes to bet coin. But some of the downside seart are thataint, no one uses it. There's no liquidity. It's sort of a trade, these de alcs. Also, you can only bet on things that oracles broadcast outcomes for.