See also: block chain
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”.
blockchain (plural blockchains)
- A shared record of past transactions in a cryptocurrency network. [from 2016]
2008, Satoshi Nakamoto, “Bitcoin: A Peer-to-Peer Electronic Cash System”, in (Please provide the book title or journal name):
- The network timestamps transactions by hashing them into an ongoing chain of hash-based proof-of-work, forming a record that cannot be changed without redoing the proof-of-work.