0xb2a1…0888

Base

This is a Uniswap v4 hook on Base. Runs code on every swap. Can take tokens from swaps. Gates who can add liquidity.

0xb2a1a31240891cee723479735fc350b76eaf0888 First pool 24 Aug 2026View on explorer

CBe carefulNot in Uniswap’s hook registry · Has an admin who can change it · Can take tokens out of swaps What this means

Pools

Dynamic-fee pools

Last new pool

2mo

Code size

5,186 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.

Gates who can add liquidity

It checks every deposit before it goes in.

Safety report

Automated checks, not an audit

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

!Has an adminowner() is 0x9221…a711. That account can usually change fees, limits or allowlists after you trade.

!Not in Uniswap’s hook registry, not tradeable in Uniswap’s app yetUnregistered hooks get less scrutiny. Most scam hooks are unregistered. It runs code on swaps, so Uniswap’s app only routes it once Uniswap Labs approves it, and it isn’t approved yet. Adding liquidity still works, and other apps can trade it.Registry Routing rules

?Source not checked yetThe block explorer didn’t answer in time. Reload in a moment.

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

ALIGN / USDC 2mo 0.00% 0x71a5…1fa3 Tx ↗