How did you integrate our partners, if any?

We deployed and tested the hook + market stack on Unichain Sepolia using Uniswap v4 PoolManager infrastructure. We integrated Reactive Network by subscribing to hook telemetry logs and using reactive callbacks to trigger authenticated epoch settlement on destination contracts.

What are the key links to share? (Ex. demo video, GitHub, deck)

Github:https://github.com/smartman873/vfa-hooks Slides: https://gamma.app/docs/zgwti62q2axmg0u Project Link: Demo Video:https://youtu.be/W65mfeYH_ag

Problem / Background: What inspired the idea? What problems are you solving?

Most DeFi users can only express directional price views, while volatility exposure usually requires complex offchain venues or multi-leg strategies that are hard to automate and verify. We built VFA Hook to create a native onchain market for trading realized volatility directly, with deterministic epoch accounting and automated settlement.

Impact: What makes this project unique? What impact will this make?

VFA Hook introduces a new specialized market primitive on Uniswap v4: volatility as the traded asset. By combining hook-native telemetry with reactive epoch settlement, it enables transparent, programmable vol trading that can be reused by structured products, hedging vaults, and LP risk-management systems.

Challenges: What was challenging about building this project?

The hardest parts were designing a deterministic volatility model that is manipulation-resistant, implementing safe callback authentication/replay protection across reactive flows, and achieving high test coverage across unit, fuzz, and integration lifecycle paths.

Team: Who is on the team? What are their backgrounds?