0x81c3…d540

Base

Runs code on every swap. Runs at pool creation.

0x81c3d5866dd26b896e2dc801449fc94895bfd540 First pool 26 Jan 2026View on explorer

BProbably fineNot in Uniswap’s hook registry · Source code not published

Pools

Dynamic-fee pools

Last new pool

9mo

Code size

5,318 B

What it can do

Runs code on every swap

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

Runs at pool creation

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

Automated checks, not an audit

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

!Has an adminowner() is 0x8b28…6303. That account can usually change fees, limits or allowlists after you trade.

!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.

1 total

PairCreatedFeePool ID

WETH / vTEST 9mo 0.30% 0x1611…57c5 Tx ↗