blockchain

American  

[blok-cheyn] / ˈblɒkˌtʃeɪn /

noun

Computers.

1. a structure used for a distributed or shared database consisting of discrete blocks of data, with each new block secured and connected to earlier ones by cryptography: used to create digital ledgers for cryptocurrency systems, among other things.

   Several schools now offer courses in the technology behind blockchain.

   Under the scheme, farmers would add information about their produce to a blockchain database that could quickly pinpoint contamination.

2. a distributed or shared database created and populated using a structure consisting of discrete blocks of data, with each new block secured and connected to earlier ones by cryptography.

   Once the transaction gets verified, it's recorded in the blockchain.

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Etymology

Origin of blockchain

First recorded in 2010–15; block ( def. ) + chain ( def. )

Example Sentences

Nasdaq’s design involves issuers sponsoring tokens, integrating blockchain records into official share registries, preserving legal equivalence.

From Barron's

Wall Street firms are racing to tokenize stocks and other traditional assets using blockchain technology.

From The Wall Street Journal

Crypto proponents have long argued that blockchain technology could help modernize traditional financial markets, which currently rely on decades-old legacy systems.

From The Wall Street Journal

Polymarket said it has collaborations with blockchain and emerging-technology clubs at universities nationwide to “gain insights about its platform and products.”

From The Wall Street Journal

But the move should bolster the NYSE’s plans for more tokenized equities, digital assets that trade 24/7 on the blockchain.

From Barron's