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

Keeping that information secure and unchanged is critical, which is why engineers are increasingly exploring blockchain technology.

From Science Daily

It generates revenue from digital asset trading; staking, or rewards earned from validating crypto transactions on a blockchain; and other service fees.

From Barron's

The New York Stock Exchange said on Monday that it is building a platform that uses blockchain to allow investors to trade stocks 24/7.

From Barron's

The New York Stock Exchange said on Monday that it is building a platform that uses blockchain to allow investors to trade stocks 24/7.

From Barron's

In contrast, transactions on blockchains are settled immediately.

From The Wall Street Journal