Sorry, no definitions found. Check out and contribute to the discussion of this word!


Sorry, no etymologies found.


Help support Wordnik (and make this page ad-free) by adopting the word blockchain.


  • But while the debate continues, the digital ledger known as the blockchain, through which most cryptocurrencies function, may well be where the truly valuable potential of the technology lies.

    Blocktails are the new cocktails Victoria Burrows 2019

  • The next generation is billed as a decentralized internet powered by cryptocurrency engineering, better known as the blockchain.

    Beware the FOMO Bullies of Technology Charlie Warzel 2022

  • Blockchain is a decentralised, distributed and public digital ledger, which means that it is not controlled by one entity, such as a bank, but is rather upheld by a wide network.

    Blocktails are the new cocktails Victoria Burrows 2019


Log in or sign up to get involved in the conversation. It's quick and easy.

  • a distributed record of cryptocurrency transactions.

    June 28, 2015

  • A block chain or blockchain is a permissionless distributed database based on the bitcoin protocol that maintains a continuously growing list of transactional data records hardened against tampering and revision, even by operators of the data store's nodes. The initial and most widely known application of the block chain technology is the public ledger of transactions for bitcoin which would become the inspiration for similar implementations often known as altchains.

    December 29, 2015