Frax USD (frxUSD) is a fiat-redeemable, fully-collateralized stablecoin issued by the Frax Finance Protocol. It operates using a hybrid model where governance-approved custodians mint and redeem frxUSD, backed by cash-equivalent reserves. Additionally, advanced on-chain mechanisms developed by the Frax Finance Protocol ensure stability, security, and seamless usability across both DeFi and traditional financial systems.