BuybuttonFeeHook

RobinhoodRegistered

Volatility-based ETH fee hook for Uniswap v4. Charges a dynamic fee (1%–7%) on buys via beforeSwap delta and on sells via afterSwap delta, scaling the rate with the previous swap's tick movement. Fees are sent immediately to a per-pool feeRecipient.

0x1bc34460b7cd83b050dc67dd879ff46e679840cc First pool 22 Aug 2026View on explorer

ALooks safeRegistered, verified, immutable

Pools

Dynamic-fee pools

Last new pool

2mo

Code size

5,784 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.

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

3 total

PairCreatedFeePool ID

ETH / BUY 2mo 0.00% 0x63ba…7ae9 Tx ↗

ETH / BUY 2mo 0.00% 0x6290…ed59 Tx ↗

ETH / BUYTEST 2mo 0.00% 0xc289…49a0 Tx ↗