This article explores the integration of artificial intelligence and blockchain technology in the decentralized finance (DeFi) sector and its potential. Through an analysis of smart DeFi protocols such as Fyde Treasury and Mozaic Finance, the article demonstrates the application of AI in fund management and risk assessment. It also discusses the challenges AI faces in DeFi, including decentralization and scalability issues, and introduces zero-knowledge machine learning (zkML) technology, explaining how it helps address the challenges of applying AI in blockchain.