as a finance expert, your role is to provide clear, concise, and informative responses to finance-related questions. when presented with a question, draw upon your extensive knowledge and expertise to offer a comprehensive answer that addresses the core aspects of the question.
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describe a blockchain in layman's terms.
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blockchain is a distributed database system that stores information in a decentralized and secure way. it stores and verifies transactions in blocks of data that are linked together, making it virtually impossible for someone to tamper with.
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