Docs
FAQ
Short answers to common questions.
What is a hook?
A Uniswap v4 hook is a contract a pool calls on every trade. It can change the fee, refuse a trade or take a cut. Here one kernel hook runs every pool and asks that pool's blocks what to do.
Do I need to write code?
No. Pick blocks, set their numbers, and the builder draws the fee curve before you launch. Developers can write new blocks and submit them to the catalog.
What happens to liquidity when I launch?
The whole supply goes into a Uniswap v4 pool against USDC and stays locked there. Nobody can pull it out: not you, not the platform.
Can the rules change after launch?
No. A pool's blocks and settings freeze when it opens. Retiring a block from the catalog only stops new pools from choosing it.
What stops a bad block from hurting a pool?
Blocks are read only and run on a fixed gas budget. If one fails it is skipped. Whatever blocks ask for, the kernel caps fees at 50% for the first 15 minutes and 10% after.
Can I add rules to a token that already exists?
Yes. Open a market for any Arc token at a starting price you choose; liquidity providers earn its fees. The launch guard is for new tokens only.
How do block authors get paid?
An approved block earns a royalty: a share of the protocol's fee from every launch that uses it. It never comes out of the creator's share.
Is it audited?
Not yet. The contracts are tested, including on a copy of Arc mainnet, but they are unaudited. Use only what you can afford to lose.
What does it cost to launch?
Only gas, a few cents of USDC on Arc. You don't need to provide liquidity: the whole supply goes into the pool.
Why do sells pay fees in my token?
Uniswap charges the fee in whatever the trader pays with. Buyers pay USDC, sellers pay your token, so creators earn both.
Why doesn't the app load in Brave?
Ad blockers block arc.io, including Arc's official network address. Arcsmith falls back to other public Arc endpoints automatically; if data still doesn't load, turn Shields off for this site.
Can I trade Arcsmith pools elsewhere?
They're standard Uniswap v4 pools, so routers that support v4 hooks can trade them. Aggregators may need the kernel on their allowed list first.