Uniswap is deploying its complete v4 infrastructure on Arc, Circle’s Layer-1 blockchain designed as a dedicated settlement layer for stablecoins. This integration includes the v4 automated market maker, liquidity pools, swap routing, and a full developer SDK, giving Arc a turnkey DeFi backbone from day one. The infrastructure goes live alongside Arc’s public mainnet launch on September 16, 2026. Arc, which makes stablecoins its native asset class with direct 1:1 swaps between USDC, USDS, and DAI, now hosts the protocol responsible for $4.4 trillion in all-time trading volume, a major selling point for institutional capital flows. This partnership, involving over 100 testnet partners including Curve and Aave, allows Arc to solve the cold-start liquidity problem that has derailed countless Layer-1 ambitions before they could gain traction.
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