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 Should the rewards of mining fall below its costs for a significant period, miners will no longer mine, the blockchain won’t be validated, and the system’s vulnerability to manipulation will rise. Laurent Belsie, The Christian Science Monitor, 8 Apr. 2024 The defense also contended that Chai had utilized the Terraform blockchain, and argued that the SEC could not prove otherwise without access to the Chai source code. Joel Khalili, WIRED, 5 Apr. 2024 Crypto Confidential: Forbes' definitive guide to crypto and blockchain, delivered to your inbox every Saturday. Victoria Chynoweth, Forbes, 29 Mar. 2024 Over the past few years, many crypto enthusiasts lost trust in blockchain technology due to Binance CEO Changpeng Zhao’s money laundering case and the extradition of former cryptocurrency mogul Do Kwon. Vinamrata Chaturvedi, Quartz, 14 Mar. 2024 Overview Stablecoins are one of the most practical use cases for blockchain technology. Mark Lurie, Forbes, 29 Mar. 2024 People use blockchains to keep records of transactions and exchanges of data without relying on a central authority. IEEE Spectrum, 12 Mar. 2024 Using the Avalanche blockchain network, each of the collections will pair collectible Coachella IP artwork with real-world benefits, including exclusive access to areas including the VIP Rose Garden and Oasis Lounge as well as limited edition Coachella merchandise, VIP passes and more. Chris Eggertsen, Billboard, 8 Mar. 2024 Porter lamented in the podcast that her views of currency exchanges and blockchain technologies weren’t discussed more openly even as these groups perceived her as skeptical of the industry. Benjamin Oreskes, Los Angeles Times, 19 Mar. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'blockchain.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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.” Dictionary, Merriam-Webster, Accessed 22 Apr. 2024.

Last Updated: - Updated example sentences
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