# What is Optimistic Oracle?

A resolution design that accepts a proposed outcome as true unless someone disputes it inside a challenge window.

## In real work

The optimistic oracle proposal stood unchallenged, so the market resolved Yes after the dispute window closed.

## Related terms

- [Prediction Market](https://prompthausapp.com/learn/prediction-market.md)
- [Event Contract](https://prompthausapp.com/learn/event-contract.md)
- [Binary Market](https://prompthausapp.com/learn/binary-market.md)
- [Implied Probability](https://prompthausapp.com/learn/implied-probability.md)
- [Outcome Share](https://prompthausapp.com/learn/outcome-share.md)

## How is this different from Googling it?

Google gives a definition. Prompthaus pairs each term with how it shows up in standups, PRs, prompts, and design reviews—then quizzes you until the word sticks. One term a day on iPhone.

- Category: Prediction Markets
- HTML: https://prompthausapp.com/learn/optimistic-oracle
- App Store: https://apps.apple.com/us/app/prompthaus-ai-vocabulary/id6776314407