blockchain

[ blok-cheyn ]

Phonetic (Standard)IPA

noun

Computers.

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.
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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Word History and Origins

Origin of blockchain¹

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

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Example Sentences

All crypto transactions are displayed on a public blockchain, so it's possible to track the money as it's moved around by the Lazarus Group.

From BBC

President Donald Trump has signed an executive order to establish a strategic reserve for Bitcoin, making the US one of the few countries in the world to create a national stockpile of blockchain assets.

From BBC

"There are a lot of very talented blockchain investigators out there who will now be motivated to track down these stolen funds, and to help to seize them," said Tom Robinson, from Elliptic.

From BBC

Johnny Gabriele, head analyst of blockchain economics and AI integration at The Lifted Initiative, sees AI as part of a broader shift in technological evolution.

From Salon

Robinson said his account had been used to make it look like he was launching a cryptocurrency called '$Today' on the Solana blockchain platform.

From BBC

block caving block chord

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