Frax is bringing $frxUSD into a growing network of onchain FX markets on @0xPolygon. In May, @fraxfinance, Polygon, @CurveFinance and @DFB_DeFi launched a set of onchain FX markets on Polygon, pairing frxUSD with currencies including the Brazilian real, Indonesian rupiah, British pound, Australian dollar and Korean won. The setup has a clear purpose. Curve’s FXSwap pools provide the trading infrastructure, DFB supports market-making and liquidity, and Polygon handles settlement. Frax brings the dollar liquidity that connects these markets. This matters because moving money between currencies remains fragmented and can be expensive. Onchain FX can bring currency conversion closer to where funds are already held and used. For that to work at scale, though, markets need enough liquidity to keep spreads and slippage under control. Frax is also developing the economic side of this model. The reserves backing $frxUSD include tokenized US Treasury funds, and Frax has described using reserve yield to support liquidity incentives. That can help bootstrap markets while they build trading activity of their own. In October, another piece came together with the launch of an EURe/frxUSD pool on Uniswap v3 on Polygon, involving Monerium and Capa. EURe represents euros onchain, while $frxUSD provides the dollar side. Monerium connects EURe to its SEPA banking infrastructure, creating a route between traditional euro payments and onchain dollar liquidity. The pool gives applications another way to integrate currency conversion into their workflows. There is also a lending angle. On Polygon, Morpho markets allow users to borrow Brazilian real-denominated BRZ against collateral including $sfrxUSD. Another market lets BRZ holders borrow frxUSD. This connects dollar-denominated assets with local-currency borrowing, while leaving users exposed to borrowing costs and liquidation risk. These integrations serve different purposes, but they build on the same foundation. frxUSD can act as the dollar leg in FX markets, connect euro and dollar liquidity, and be used as collateral in lending markets. For Frax, each integration creates another potential use case for $frxUSD. For Polygon, these markets provide another route for FX trading, lending and payment-related activity to take place onchain. The next question is how much recurring demand these markets can attract beyond initial incentives. If trading and borrowing activity grows, the infrastructure can support more than a collection of isolated stablecoin pools. Frax is putting its dollar liquidity to work across more markets, while Polygon provides the network those markets can run on👀