Frax Finance has announced that the DeFi project Tangent will open pre-deposits in one week, utilizing frxUSD as a default stablecoin alongside USDC. This initiative aims to support Tangent's initial liquidity deployment. The project will be built on the frxUSD PegKeeper pool on Curve Finance, enhancing frxUSD's use cases and liquidity within the DeFi stablecoin ecosystem.