0x04f3…38e0

Base

This is a Uniswap v4 hook on Base. Runs code on every swap. Sets its own swap fee. Gates who can add liquidity. Runs at pool creation. Handles donations to LPs.

0x04f3aee30382cb1a34cadb7f0b85c8cc7eda38e0 First pool 18 Aug 2026View on explorer

CBe carefulNot in Uniswap’s hook registry · Source code not published

193 identical copies

Pools

Dynamic-fee pools

Last new pool

2mo

Code size

21,807 B

What it can do

Runs code on every swap

Its code executes inside each trade in pools that use it.

Sets its own swap fee

Pools using it let the hook choose the swap fee instead of a fixed tier.

Gates who can add liquidity

It checks every deposit before it goes in.

Runs at pool creation

It runs when a pool is created, often to lock in that pool’s settings.

Handles donations to LPs

It runs when someone donates tokens to the pool’s LPs.

Safety report

Automated checks, not an audit

✓Not upgradeableNo proxy pattern found: the code is fixed.

✓No owner foundNo owner() function: nobody has an admin switch (as far as the standard check goes).

!Not in Uniswap’s hook registryUnregistered hooks get less scrutiny. Most scam hooks are unregistered.

!Source code not publishedNobody can read what this hook actually does. Treat it as a black box.

?No audit linkedAutomated checks only.

Pools using this hook

1 total

PairCreatedFeePool ID

WETH / DYN9300 2mo dynamic 0xdfb4…427b Tx ↗