Block chain or blockchain?
block chain is a noun meaning “A chain in which the alternate links are broad blocks connected by thin side…”; blockchain is a noun meaning “A shared record of past transactions in a distributed network, typically used…”. block chain is written as two words and blockchain as one word; they are used differently.
What is the difference between block chain and blockchain?
| block chain | blockchain | |
|---|---|---|
| Part of speech | noun | noun |
| Meaning | A chain in which the alternate links are broad blocks connected by thin side links pivoted to the ends of the blocks, used with sprocket wheels to transmit… | A shared record of past transactions in a distributed network, typically used for cryptocurrency |
| Example | none recorded | none recorded |
| Forms | none | blockchains |
| Pronunciation | not recorded | not recorded |
| In writing | not counted (the list counts single words) | 4.6 times per million words |
Sources: block chain and blockchain in the English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0); written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
Every current meaning of block chain and blockchain
block chain
- 1
A chain in which the alternate links are broad blocks connected by thin side links pivoted to the ends of the blocks, used with sprocket wheels to transmit power, as in a bicycle
blockchain
- 1
A shared record of past transactions in a distributed network, typically used for cryptocurrency
Source: the English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0); obsolete, archaic, dialect and rare senses left out.
Which is more common, block chain or blockchain?
block chain is a phrase, which the list of single words does not count; blockchain 4.6 times per million words.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).