The development of numerous cryptocurrencies, dApp monetization, smart personal contracts, decentralized finance apps (Defi), and non-fungible tokens (NFTs) preceded general adoption of the blockchain concept. Blockchain technology (BT) is digital money that increases in value every hour by a factor of bigger than its previous worth. Even though blockchain's widespread appeal has been confined to its role in the development of Bitcoin and other cryptocurrencies, a number of other applications are currently being developed steadily. This demonstrates the promise of decentralized technology and the undeniable influence of blockchain on business across many industries. Because of these built-in characteristics, blockchain is now used in a number of sectors, including real estate, finance, agriculture field, healthcare sector, education institutions, design and manufacturing unit, and retail shopping. The chapter provides a thorough explanation of the various use cases and areas of BT.