blockchain
/ˈblɒktʃeɪn/noun
A digital ledger in which transactions made in bitcoin or another cryptocurrency are recorded chronologically and publicly: we can actually have a look at the blockchain and see evidence of what’s going on...
- Although the odds of a temporary confirmation not being confirmed on the Blockchain are minuscule, Litecoin eliminates the problem entirely.
- 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.
- Cheating by forging records in the blockchain of namecoin is going to be exceedingly difficult because of merged mining.
Origin
Early 21st century: from block and chain.