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Blockchain
? TBD
Distributed data store for digital transactions
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A blockchain is a distributed ledger with growing lists of records (blocks) that are securely linked together via cryptographic hashes. Each block contains a cryptographic hash of the previous block, a timestamp, and transaction data (generally represented as a Merkle tree, where data nodes are represented by leaves). Since each block contains...

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Concept
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field of study
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Database
computer network protocol
Data structure
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