Arc is Circle's EVM network that pays gas in USDC instead of a volatile native token, with instant finality. Liquidity on Arc is provided through Uniswap v3/v4, typically on stablecoin pairs such as USDC/EURC; because the ecosystem is young, many pairs have no pool yet, leaving room to be the first LP or pool creator.
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How to Add Liquidity on Arc: Circle's Stablecoin Chain with USDC Gas
November 11, 2026
Add liquidity on Arc, Circle's EVM network that pays gas in USDC: the USDC/EURC pool, Uniswap v3/v4, instant finality, and the chance to create the first pools.
How to add liquidity on Arc differs in one fundamental way: gas is paid in USDC, not ETH. Arc is an EVM network from Circle (the USDC issuer) designed for stablecoin finance, with deterministic sub-second finality. BaniPool supports Uniswap v2, v3 and v4 pools on Arc. This guide covers the existing pools, the steps, and the opportunity to create the first pools.
Arc pools (BaniPool data, November 10, 2026)
| Pool | Version | Fee | TVL | 24h volume | Fee APR |
|---|---|---|---|---|---|
| USDC/EURC | Uniswap v4 | 0.05% | $64K | $34K | ~9.8% |
| USDC/EURC | Uniswap v3 | 0.05% | $61K | $30K | ~6.3% |
Arc's main pair today is USDC/EURC — dollar vs euro, both Circle stablecoins. It is an on-chain FX pair: price moves are small (the EUR/USD rate), so impermanent loss is low and narrow ranges make sense.
Why Arc is different
- USDC gas — transaction costs are easy to estimate in dollars; no volatile gas token needed.
- Instant finality — once a transaction is in a block it cannot be reverted.
- Stablecoin focus — many stablecoin and real-world-asset pairs have no pool yet.
Steps to add liquidity on Arc
- Set up an EVM wallet (MetaMask, Rabby). BaniPool adds the Arc network when needed.
- Get USDC on Arc for gas and liquidity.
- Open Arc pools and pick a pool.
- Choose Zap In (one token) or Add liquidity (two tokens). For USDC/EURC, a narrow range around the current rate maximizes fees.
- Sign and track the position in your Profile.
Creating the first pools
Because the network is young, many pairs have no pool yet. Create a pool on Arc: BaniPool creates the Uniswap pool and seeds it in one transaction, with gas paid in USDC. Guide: how to create a Uniswap liquidity pool.
Private mempool?
Arc is run by a limited validator set with instant finality. There is no public private-mempool service for Arc yet, so use tight slippage.
FAQ
What is EURC?
Circle's euro stablecoin, 1:1 with the euro.
Do I need ETH to transact on Arc?
No. Gas on Arc is paid in USDC.
Are Arc pool APRs attractive?
Moderate today (~6–10% for USDC/EURC) with low impermanent loss. Liquidity is still thin, so APR can change quickly.
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