This article explores the relationship between blockchain and artificial intelligence (AI), their synergies, real-world applications, challenges, and future possibilities. Blockchain is a distributed ledger technology that allows multiple parties to store and share data in a secure and transparent way, while AI is renowned for its ability to analyze and learn from data, driving innovation and automation across sectors. The article discusses the key characteristics of blockchain, such as immutability, decentralization, and transparency, and how these can be combined with AI to create powerful solutions.