TipOffFeeHook

RobinhoodRegistered

A Uniswap v4 hook that collects a fixed 5% fee on all swaps (buys and sells), always denominated in ETH (currency0), by skimming the fee from the specified or unspecified ETH leg via beforeSwap/afterSwap return deltas and forwarding it to an immutable feeRecipient address.

0xc4cf3c6ff8bbd67b9e2d9324daeef32b97b4c0cc First pool 19 Aug 2026View on explorer

ALooks safeRegistered, verified, immutable

Pools

Dynamic-fee pools

Last new pool

2mo

Code size

2,930 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 verifiedPublished source matches the deployed code.

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 / OTTO 2mo 0.00% 0xc8eb…77d5 Tx ↗