Alchemix is a DeFi protocol that combines yield-aggregating vaults, self-repaying loans, and a fixed-term transmuter to enable interest-free borrowing of synthetic assets backed by productive collateral. Its modular V3 architecture improves capital efficiency and peg resilience by pairing borrower-driven alAsset issuance with onchain liquidity and transmuter redemptions, strengthening market depth and swap activity. By expanding synthetic asset utility and liquidity, Alchemix contributes to deeper DeFi composability and more efficient capital deployment within the ecosystem.