Big data refers to the vast amounts of data that are generated by businesses and other organizations, often at high velocity and with a variety of formats. Big data technologies are used to store, process, and analyze this data in order to extract insights and make better decisions. Popular big data platforms include Hadoop, Spark, and Cassandra. See our testimonials Blockchain is a distributed ledger technology that enables secure, transparent, and tamper-proof transactions. Blockchain is used in many applications, such as cryptocurrency, supply chain management, and voting systems. Popular blockchain platforms include Bitcoin, Ethereum, and Hyperledger.