PackedFeeHook

Ethereum

Runs code on every swap. Sets its own swap fee. Gates who can add liquidity. Runs at pool creation.

0xac710b52fbe09a13f5bf8675728758ff52b228c0 First pool 29 Oct 2026View on explorer

BProbably fineNot in Uniswap’s hook registry

Pools

Dynamic-fee pools

Last new pool

Code size

4,294 B

What it can do

Runs code on every swap

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

Sets its own swap fee

Pools using it let the hook choose the swap fee instead of a fixed tier.

Gates who can add liquidity

It checks every deposit before it goes in.

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.

✓No owner foundNo owner() function: nobody has an admin switch (as far as the standard check goes).

!Not in Uniswap’s hook registryUnregistered hooks get less scrutiny. Most scam hooks are unregistered.

✓Source code publishedThe code on the block explorer matches what's deployed (contract: PackedFeeHook).

?No audit linkedAutomated checks only.

1 total

PairCreatedFeePool ID

ETH / PSAFE 7d dynamic 0xa691…c211 Tx ↗