Definition of blockchain in English:

blockchain

noun

  • A system in which a record of transactions made in bitcoin or another cryptocurrency are maintained across several computers that are linked in a peer-to-peer network.

    ‘we can actually have a look at the blockchain and see evidence of what's going on’
    • ‘Bitcoin's blockchain, a public ledger that record transactions, holds much potential for other kinds of cryptographic verification rather than just transferring bitcoins, he said.’
    • ‘All Bitcoin and other cryptocurrency transactions are publicly listed in the blockchain.’
    • ‘There is a small window where transaction IDs can be 'renamed' before being confirmed in the blockchain.’
    • ‘The blockchain is managed by a decentralized network that verifies and puts a time-stamp on payments.’
    • ‘Although the odds of a temporary confirmation not being confirmed on the Blockchain are minuscule, Litecoin eliminates the problem entirely.’
    • ‘The transaction must receive a number of confirmations from other users who've located the transfer on the Bitcoin's master ledger, the Blockchain’
    • ‘Cheating by forging records in the blockchain of namecoin is going to be exceedingly difficult because of merged mining.’
    • ‘The blockchain tracks only pseudonymous Bitcoin addresses, not users' real names or other identifying details.’
    • ‘Every transaction they make is recorded in a ledger called the blockchain, held by every currency owner, and each time a transaction is made, the ledger is updated.’
    • ‘Due to a lack of custom software tools to analyze the blockchain, tracing a chain of transactions can be like following a set of muddy footprints in the rain.’

Origin

Early 21st century: from block + chain.

Pronunciation

blockchain

/ˈblɒktʃeɪn/