Blockchain technology is a distributed ledger technology that enables secure and transparent record-keeping without the need for a central authority. Blockchain is used in many applications, such as cryptocurrency, supply chain management, and voting systems. Popular blockchain platforms include Bitcoin, Ethereum, and Hyperledger Fabric. Subscribe Cloud computing refers to the delivery of computing services, such as servers, storage, and databases, over the internet. Cloud computing can provide scalability, flexibility, and cost-effectiveness for businesses and organizations of all sizes. Popular cloud computing platforms include Amazon Web Services (AWS), Microsoft Azure, and Google Cloud Platform.