0xdec0000000000000000000000000000000000000. It provides capital-efficient stablecoin-to-stablecoin swaps without relying on external AMM pools.
Use Case: Stablecoin Conversion
A user holds USDC but needs to pay a merchant who only accepts EURC. They callswapExactAmountIn on the DEX precompile, and the protocol routes the swap through the pathUSD intermediary. The entire operation executes atomically in a single transaction.