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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explain what is a block chain.
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a blockchain is a distributed database that records transactions, securely stores digital data, and automates record-keeping processes. it is composed of blocks of data, which are encrypted and connected in chronological order, forming a chain. this secure and transparent system is used to track digital transactions and store records in a distributed and secure fashion.
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