block·​chain | \ ˈbläk-ˌchān How to pronounce blockchain (audio) \

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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The first known use of blockchain was in 2011

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Cite this Entry

“Blockchain.” Dictionary, Merriam-Webster, Accessed 7 Jul. 2020.

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