# Uniswap V4 Hook

### Division of Hooks

Publiphi leverages **Uniswap v4 Hooks** as its technical foundation, built around two main components:

* **BoardHook** — manages fair launches, liquidity, and fees
* **PhiEthHook** — transforms ETH into creatorETH

***

#### 1. BoardHook — Fair Launch & Liquidity Provision

* **Fair Launch (beforeSwap Hook)**
  * 30-minute period with fixed pricing.
  * Participation can be restricted to PHI token holders or specific on-chain credential holders.
* **Liquidity Provision (afterInitialize Hook)**
  * At the end of Fair Launch, a **Uniswap v4 pool is instantly created**, enabling open trading.
* **Dynamic Fee Hook**
  * Fees adjust dynamically based on recent trading volume and transaction ordering.
  * Helps mitigate MEV risks and speculative overheating.

**Fee Distribution Example**

* **Buy (Board Token Purchase)**
  * Referral: 20%
  * Protocol (safe): 80%
* **Sell (Board Token → CreatorETH)**
  * Referral: 20%
  * Protocol ($PHI buyback): 40%
  * Inspired (Muse): 4%
  * Protocol (safe): 18%
  * Creator: 18%
* **Fair Launch Period**
  * Fixed 1% fee → 100% protocol

***

#### 2. PhiEthHook — Making ETH Productive

* **ETH → CreatorETH (e.g., AliceEth)**
  * All ETH used to purchase tokens is wrapped into custom yield-bearing ETH.
* **DeFi Integration**
  * Deposited automatically into Aave v3 or Morpho-Aave.
  * Yield is periodically streamed back to the creator.


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