V4TaxHook

EthereumRegistered

Applies a fixed 5% buy and 5% sell tax on swaps in registered pools. Tax is collected in the base asset via beforeSwap/afterSwap deltas, minted to the token address, and recorded as dividends through the token's recordTaxFromHook function.

0x4b843c38de04a5cb2d8c8775488e74280eba80cc First pool 16 Jun 2026View on explorer

ALooks safeRegistered, verified, immutable

10 identical copies

Pools

Dynamic-fee pools

Last new pool

4mo

Code size

4,028 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.

!Has an adminowner() is 0xa09a…99fc. That account can usually change fees, limits or allowlists after you trade.

✓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: V4TaxHook).

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

4 total

PairCreatedFeePool ID

ASTEROID / WETH 4mo 0.30% 0xc8f0…9a66 Tx ↗

SPCX / WETH 4mo 0.30% 0x825e…b829 Tx ↗

WETH / SPCE 4mo 0.30% 0x8c66…4630 Tx ↗

TEST / WETH 4mo 0.30% 0xe976…4799 Tx ↗