Hook
What this hook does, how much activity runs through it, and which pools use it.
0xb1f27abf…2ba928cc
LikelyDynamic FeeactiveUnverified sourceWhat this hook does
Appears to set the swap fee itself: 4 of its pools use Uniswap v4's dynamic fee mode. What drives the fee is not known yet.
Dynamic Fee: Changes fees according to market conditions. Tentative. Inferred from onchain behavior and not confirmed.
- Deployer
- Not identified
- First seen
- Sep 28, 2026 · 7d ago
- Source
- Not published
- Chain
- Robinhood Chain · Uniswap v4
Volume (24H)
Volume (7D)
Total Volume (indexed)
Swaps (24H)
Liquidity (ETH + stablecoin reserves)
Pools Using Hook
Estimated Fees (24H)
Unique Traders (24H)
Volume · latest day
$0
Pools Using This Hook
4 pools · 24H metrics
| # | Pair | Pool ID | Fee | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | TESTX / USDG | 0x5671…d526 | $45 | — | 1 | Dynamic | Sep 30, 2026 | — | |
| 2 | WETH / 0x26…4f6 | 0x44e1…c50c | $0 | — | 0 | Dynamic | Oct 3, 2026 | — | |
| 3 | USDG / 0xa6…840 | 0x1d2a…2ec9 | $0 | — | 0 | Dynamic | Oct 1, 2026 | — | |
| 4 | USDG / 0x7a…963 | 0x602e…9427 | $0 | — | 0 | Dynamic | Sep 28, 2026 | — |
Hook Logic
When this hook runs, read from the permissions encoded in its address
Runs custom logic before a pool is created, and can reject pools it does not accept.
beforeInitialize = trueRuns custom logic before liquidity is added, and can block deposits.
beforeAddLiquidity = trueRuns custom logic before every swap. It can change the fee or block the trade.
beforeSwap = trueRuns custom logic after every swap.
afterSwap = trueCan change how much a trader pays or receives before the swap executes.
beforeSwapReturnDelta = trueCan take or add tokens to a trade's output after the swap executes.
afterSwapReturnDelta = true
These describe when the hook is called, not everything it does once called. Not used: afterInitialize, afterAddLiquidity, beforeRemoveLiquidity, afterRemoveLiquidity, beforeDonate, afterDonate, afterAddLiquidityReturnDelta, afterRemoveLiquidityReturnDelta.
Contract / Technical Details
- Hook address
- Deployer
- Not identified. The hook was deployed through a factory or in a block with several senders.
- First pool created at block
- 74,859,868
- First pool created
- Mon, 28 Sep 2026 14:13:10 GMT
- Permission bitmap
0x28cc (10100011001100)- Chain ID
- 4663
- Source verification
- Unverified
- Fee revenue
- Estimated