Polygon, Frax, and Curve deploy six onchain FX liquidity pools with frxUSD as base dollar pair

Polygon Labs, Frax, Curve Finance, and DFB Network launched a set of onchain foreign-exchange liquidity pools on Polygon, with frxUSD serving as the base dollar pair for all six initial markets. The pools are live on Curve’s Polygon deployment and support swaps against BRZ (Brazilian real), IDRX (Indonesian rupiah), tGBP (British pound), AUDF (Australian dollar), KRWQ (Korean won), and USDT. The broader context is that the partners are trying to move more FX activity onto public blockchain rails, using Curve’s low-slippage pool design and DFB’s market-making to provide continuous liquidity. Frax’s role is to supply frxUSD as the common dollar anchor, while Polygon provides the network environment and Curve provides the exchange infrastructure. The launch matters because it extends onchain stablecoin infrastructure beyond USD-centric trading and toward cross-currency payments and liquidity for non-USD markets, which the partners frame as a step toward faster, lower-cost, 24/7 FX settlement.

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