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 the working of a blockchain ledger.
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a blockchain ledger is a continuously growing list of records, called blocks, which are secured by cryptography. each block contains a cryptographic hash of the previous block, a timestamp, and transaction data. the data stored on a blockchain ledger is resistant to modification, making it a secure and reliable system. this data can also be used to form a permanent record of activity such as payments, exchanges, and ultimately, contracts.
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