UniHooks

HashtocksHook

EthereumRegistered

Charges a configurable protocol fee (default 2%, capped at 5%) on every swap via v4 delta accounting. Fees are taken on the input token for both exact-input (in beforeSwap) and exact-output (in afterSwap) swaps and routed to a designated treasury address.

0x85946081183a1085c7fb66d10fd469acc5b8c0cc First pool 15 Sept 2026View on explorer
ALooks safeRegistered, verified, immutable
Pools
2
Dynamic-fee pools
0
Last new pool
51d
Code size
5,310 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 0x9915…35ec. 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: HashtocksHook).
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

2 total
PairCreatedFeePool ID
ETH / HASH 51d 0.25% 0x2ed6…b1b6 Tx ↗
HASH / WETH 52d 0.30% 0x3f0b…8b17 Tx ↗