blockchain

noun

block·​chain ˈbläk-ˌchān 

: 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

But as Wall Street embraces tokenization, or issues different digital assets on blockchains, Bogart believes TRM will be able to weather any impending downturn. —Leo Schwartz, Fortune, 4 Feb. 2026

Network upgrades that speed up transactions and reduce costs eliminate real-world barriers that keep people from using blockchain platforms. —Matthew Kayser, Freep.com, 30 Jan. 2026

Applications for tokenization vary and can include digitization, fractionalization, or even recording securities on blockchain. —Cleve Mesidor, Forbes.com, 29 Jan. 2026

Companies that adopt blockchain now build stronger defenses and more resilient partnerships. —Matthew Kayser, Idaho Statesman, 20 Jan. 2026

Word History

First Known Use

2011, in the meaning defined above

Rhymes for blockchain

• abstain
• airplane
• alkane
• arcane
• arraign
• attain
• backplane
• betaine
• biplane
• butane
• campaign
• cetane