blockchain

noun block·chain \ ˈbläk-ˌchān \

Definition of blockchain

: a digital database containing information (such as records of financial transactions) that can be simultaneously used and shared within a large decentralized, publicly accessible network; also : the technology used to create such a database
  • The technology at the heart of bitcoin and other virtual currencies, blockchain is an open, distributed ledger that can record transactions between two parties efficiently and in a verifiable and permanent way.
  • —Marco Iansiti and Karim R. Lakhani

First Known Use of blockchain

2011

in the meaning defined above

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