---

Curve Finance, one of DeFi's most established automated market makers, is now live on Arc, Circle's newly launched sovereign Layer 1 blockchain. The deployment went live on Thursday, 17 September 2026, a day after Arc's mainnet opened on 16 September. Curve's presence on Arc is notable because the network is purpose-built for stablecoin finance and real-world economic activity, hosting more than 20 fiat stablecoins that need liquid markets between them to deliver on that promise.

The Curve deployment uses a format called Curve-Lite, a stripped-down version of the full exchange designed for fast rollout on new networks. Curve-Lite keeps the core trading and liquidity functions intact while reducing the governance overhead that would come with a full deployment. This approach already worked on HyperEVM, Hyperliquid's EVM environment, which later received a full Curve deployment after showing strong traction.

The product at the centre of the Arc launch is FXSwap, Curve's mechanism for trading pairs where the two assets do not target the same price. Standard Curve pools assume that assets like USDC and USDT are both worth roughly one dollar, so the pool concentrates liquidity around that price. FXSwap handles pairs like EUR/USD or GBP/USD, where the exchange rate shifts continuously. It does this by combining Curve's capital-efficient stablecoin math with a passive rebalancing system and an external buffer, called a refueling mechanism, that covers repositioning costs when prices drift. The result is a pool that tracks current exchange rates without requiring liquidity providers to actively manage their positions. In simulations Curve itself conducted on trades of roughly $10 million notional, a scale more representative of institutional than retail activity, FXSwap beat Uniswap V3 on execution quality for roughly 80% of test trades, with an average improvement of about 2%. Independent verification of these results is not available.

"A stablecoin network needs more than a way to issue and transfer assets," Curve wrote in its announcement. "Once different issuers and currencies share the same network, they need liquid markets between them."

Arc supports more than 20 fiat stablecoins at launch, including EURC, JPYC, BRLA (Brazilian real), and MXNB (Mexican peso), through Circle's StableFX programme. The network uses USDC as its native gas token, meaning transaction fees are paid in a stablecoin rather than a volatile asset. It runs on a consensus engine called Malachite, built by Informal Systems, which delivers deterministic finality in under a second. Arc is also EVM-compatible, allowing Solidity developers to use familiar tooling; for an Ethereum-native protocol like Curve, that compatibility made the deployment technically straightforward. The founding validator set includes 11 institutional partners alongside Circle: BlackRock, DTCC, Galaxy, ICE, Mastercard, MoneyGram, SBI Group, Standard Chartered, Sumitomo Corporation, Visa, and Worldpay.

Circle CEO Jeremy Allaire called Arc "the single most significant launch in Circle's history since USDC itself." More than 100 projects were already live at mainnet open, including Aave, Morpho, and Uniswap. Arc connects to more than 20 other blockchains through Circle's Cross-Chain Transfer Protocol and Gateway infrastructure, meaning liquidity on Arc is not isolated from the broader DeFi ecosystem.

On-chain context: Curve Finance currently holds approximately $1.387 billion in total value locked across 31 chains, up about 6.9% over 30 days, according to DefiLlama. That figure sits well below Curve's 2022 peak of more than $24 billion, and CRV, the protocol's native token, trades at deeply discounted levels relative to that era. The multi-chain Curve-Lite strategy is in part an effort to recapture relevance and liquidity at scale, which makes the Arc deployment as much a business imperative as a technical milestone. Ethereum accounts for roughly 95.3% of the current TVL figure. The CRV token trades at about $0.21, with a market cap near $315 million and a fully diluted valuation of roughly $625 million. FXSwap already operates across five networks with more than 20 active pools covering 10 currency corridors, including pairs for the Brazilian real and Indonesian rupiah.

For users and developers in Nigeria, India, Pakistan, and Bangladesh, Curve on Arc is infrastructure, not a consumer product. But the implications are direct. Nigeria accounts for about 60% of Sub-Saharan Africa's stablecoin inflows since 2019, and stablecoins now represent roughly 43% of all crypto transaction volume across the region. Remittance fees to Sub-Saharan Africa still exceed 6% on average, according to World Bank data, while B2B stablecoin payment volumes grew from about $100 million per month in early 2023 to more than $6 billion per month by mid-2025, the most recent period for which comparable data is available. Local stablecoin issuers building on Arc, particularly those targeting naira, cedi, Indian rupee (INR), or Pakistani rupee (PKR) instruments, would rely on exactly the kind of FX liquidity Curve provides. Curve has said it will offer those issuers hands-on help with pool design, simulations, and parameter optimisation before deployment.

The Arc validator structure is worth watching. A permissioned set dominated by Western financial institutions raises legitimate questions about censorship resistance in jurisdictions where regulatory environments are unpredictable. ARC, Arc's native network token, raised $222 million at a $3 billion fully diluted valuation in a presale led by Andreessen Horowitz in May 2026, with participation from BlackRock and Apollo Funds; its precise function within the network had not been fully disclosed at the time of publication. Whether that capital translates into real-economy utility will depend on how many regional stablecoin issuers actually build on the network. In this publication's analytical assessment, the next 12 to 18 months will be the defining period. Curve's FXSwap already has a template for emerging-market pairs. The question is whether the issuers show up to fill those pools.