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. Boxing Natural language processing (NLP) is a subfield of artificial intelligence that focuses on enabling computers to understand and interpret human language. NLP is used in many applications, such as language translation, chatbots, and voice assistants. Popular NLP platforms include Google Cloud Natural Language, Amazon Comprehend, and IBM Watson Natural Language Understanding.