Frax Finance is a stablecoin protocol issues innovative, decentralized stablecoins and contains subprotocols to support them. The Frax Protocol currently issues 3 stablecoins: FRAX, FPI, and frxETH. FRAX v3 is a dollar-pegged stablecoin that uses AMO smart contracts and permissionless, non-custodial subprotocols as stability mechanisms. The two internal subprotocols used as stability mechanisms are Fraxlend, a decentralized lending market and Fraxswap, an automated market maker (AMM) with special features. The external subprotocol used as a stability mechanism is Curve.