Robinhood Chain hook

Unlisted hook

UnlistedRobinhood ChainVerified source
0x2201b9402093d631a4bd5178204571616b0daaccBlockscout

No registry lists this hook. Unlisted found it in the PoolManager's Initialize events, first pool 18 days ago (2026-10-09 15:16 UTC).

2Pools
2Swaps, 7 days
$2Volume, 7 days
18 days agoFirst pool

What it can do to your swap

  • Can take a fee from your outputAfter the pool fills your swap, the hook can keep part of what you were about to receive.
  • Can change the price you getBefore your swap runs, the hook can take or add tokens, so the amount you get is set by its code as well as the pool.
  • Runs code before your swap and can block itThe hook is called before every swap. It can revert, which makes your swap fail.
  • Runs code after your swap and can block itThe hook is called after every swap. It can revert, which undoes your swap.
  • Can block LPs from withdrawingCalled before each withdrawal. It can revert, which stops liquidity providers from leaving.
  • Can block people from adding liquidityCalled before each deposit into the pool.
  • Runs code when a pool is createdCalled once, when someone creates a pool with this hook.

Read from the hook address: flag bits beforeInitialize, beforeAddLiquidity, beforeRemoveLiquidity, beforeSwap, afterSwap, beforeSwapReturnsDelta, afterSwapReturnsDelta. Flags glossary.

Last test swap

A quote for a tiny exact-in swap each way through USDG / tst2 with Uniswap's V4 Quoter, compared with the pool's mid-price minus its 0.00% LP fee. It is an eth_call: nothing is signed or spent. Probed 8 h ago, every hour.

USDG to tst21.00% takenIn 0.025316 USDGOut 9,902.88 tst2, expected 10,002.9Gas 77,652
tst2 to USDGRevertedIn 10,003.2 tst2Out - USDG, expected 0.025316Gas -

Swaps per day

10-20010-21010-22010-23010-24210-25010-260

Volume over the same days: $0, $0, $0, $0, $2, $0, $0. Days end at the snapshot, in UTC.

Pools

PairFeeSwaps 7dVolume 7dCreated
USDG / tst2
0xb3c647…920dbc
0.00%2$23 days agoSwap
ETH / ?
0xb89861…56be49
0.00%0$017 days agoSwap