blockchain

noun

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

Examples of blockchain in a Sentence

Recent Examples on the Web
These examples are automatically compiled from online sources to illustrate current usage. Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Other stocks linked to Trump are Phunware , a mobile software and blockchain company, along with Rumble , a video platform popular with conservatives. Fred Imbert, CNBC, 5 Nov. 2024 In essence, blockchains can make sure promises will be kept. Thomas G. Moukawsher, Newsweek, 5 Nov. 2024 Decentralized prediction markets have become a compelling real-world application for blockchain. Marie Poteriaieva, Forbes, 5 Nov. 2024 As lawmakers continue to weigh how to regulate a new wave of digital assets and financial technologies, Rep. Nickel noted blockchain technology as a potential area of interest for the federal government to modernize payments. Emily Hamilton, Axios, 31 Oct. 2024 See all Example Sentences for blockchain 

Word History

First Known Use

2011, in the meaning defined above

Time Traveler
The first known use of blockchain was in 2011

Dictionary Entries Near blockchain

Cite this Entry

“Blockchain.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/blockchain. Accessed 15 Nov. 2024.

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!