Blockchain is a decentralized, distributed ledger technology that allows for secure and transparent record-keeping of transactions and assets. Blockchain is used in many applications, such as cryptocurrencies, supply chain management, and voting systems. Popular blockchain platforms include Bitcoin, Ethereum, and Hyperledger. Discover more Artificial intelligence (AI) is a field of computer science that focuses on the development of intelligent machines that can perform tasks that would typically require human intelligence, such as learning, problem-solving, and decision-making. AI is used in many applications, such as autonomous vehicles, fraud detection, and medical diagnosis. Popular AI platforms include TensorFlow, Microsoft Azure AI, and IBM Watson.