Architecture for Blockchain Applications
user-5f03edee4c775ed682ef5237(2019)
摘要
Blockchains are an emerging digital technology that combine cryptography, data management, networking, and incentive mechanisms to support the checking, execution, and recording of transactions between parties. A blockchain ledger is a list (‘chain’) of groups (‘blocks’) of transactions. Parties proposing a transaction may add it to a pool of transactions intended to be recorded on the ledger. Processing nodes within the blockchain system take some of those transactions, check their integrity, and record them in new blocks on the ledger. The contents of the blockchain ledger are replicated across many geographically-distributed processing nodes. These processing nodes jointly operate the blockchain system, without the central control of any single trusted third-party. Nonetheless, the blockchain system ensures that all nodes eventually achieve consensus about the integrity and shared contents of the …
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