• Bitcoin

    Alternative forms

    Origin

    bit("binary digit") + coin

    Full definition of bitcoin

    Noun

    bitcoin

    (countable and uncountable; plural bitcoins)
    1. (uncountable) A decentralized digital currency.We do not accept bitcoin at this store.
    2. (countable) A unit of the bitcoin digital currency.This item costs one bitcoin.

    Synonyms

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