Please study the 21 vocabulary below and press the 'Mark Complete' button.
- altcoin
- any cryptocurrency other than Bitcoin
- blockchain
- a decentralised digital ledger of transactions maintained by consensus
- cipher
- a coded message or secret way of writing
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The majority of early altcoins were just forks of Bitcoin with minor changes to the proof-of-work algorithm.
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The Bitcoin blockchain is maintained by a network of specialized computers designed for mining.
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The boy had a difficult time decoding the cipher in which his father's diary was written.
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