Acala (ACA) is a decentralized finance (DeFi) platform built on the Polkadot network. It aims to provide a range of financial services, including stablecoins, decentralized exchanges, and other DeFi products. Acala’s native token, ACA, is used for governance and paying transaction fees on the platform. Acala aims to offer users a more efficient and cost-effective way to access and participate in DeFi applications.