FeeHook

BaseRegistered

Charges a 10% fee on every swap by computing the fee on the output token (exact-in) or input token (exact-out) amount and minting it as ERC-6909 claims to a fixed fee recipient address via afterSwapReturnsDelta.

0x5acbc31036c179b1f00583ad5436d5415d140044 First pool 31 Oct 2025View on explorer

ALooks safeRegistered, verified, immutable

Pools

Dynamic-fee pools

Last new pool

12mo

Code size

2,680 B

What it can do

Runs code on every swap

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

Can take tokens from swaps

It can take or add tokens during a swap. Fees, burns and custom curves work this way, and so do scams.

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).

✓Listed in Uniswap’s hook registryRegistered with Uniswap Labs (a listing, not a security review).

✓Source code publishedThe code on the block explorer matches what's deployed (contract: FeeHook).

iCan change swap amountsIt has a ReturnDelta permission. Normal for fees and burns, but also how fake-quote hooks steal.

?No audit linkedAutomated checks only.

Pools using this hook

1 total

PairCreatedFeePool ID

ETH / MUTANT 12mo 0.30% 0x89d1…f561 Tx ↗