DeFi smart contract development involves creating automated, self-executing contracts that power decentralized finance applications. These smart contracts govern processes like lending, borrowing, trading, staking, and yield farming without intermediaries. Built on Ethereum, BSC, or Polygon, they are transparent, immutable, and secure. Developers write and audit smart contracts to ensure error-free deployment and seamless functionality. Businesses use DeFi smart contracts to launch trustless platforms that increase financial access and innovation while offering users full control over their assets and interactions.