# blockchain

> English word · Noun · frequency rank #11,843

## Definitions
1. A shared record of past transactions in a distributed network, typically used for cryptocurrency.

## Etymology
From block + chain, from earlier “block chain”. In the 2008 Bitcoin paper block and chain are used separately; the concept is referred to as “chain of hash-based proof-of-work” or “chain of digital signatures”.

## Common misspellings (16)
`bblockchain`, `blcokchain`, `bllockchain`, `blocckchain`, `blocckhain`, `blockcahin`, `blockcchain`, `blockchainn`, `blockchani`, `blockchhain`, `blockchian`, `blockhcain`, `blockkchain`, `blokcchain`, `bolckchain`, `lbockchain`

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/blockchain