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    51% Attack

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    Categories: Blockchain

    When a group of miners end up controlling over 50% of the blockchain network’s mining hashrate and can then launch an attack on the blockchain that could reverse transactions and therefore double-spend coins, as well as halt new transaction confirmations.

    Synonyms:
    51 Percent Attack
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    Justin Chan
    Dr Justin Chan founded datadriveninvestor.com, a tech application platform designed to help fund managers, individual investors and data scientists uncover outstanding sources of alpha from data. Previously, he specialized in strategy development in a number of hedge funds and served as a senior quantitative strategist at GMO. An expert in microstructure, market liquidity, and behavioral finance, Dr. Chan holds a doctoral degree from UCLA and served as a finance professor at Singapore Management University. He can be reached at justinchan@datadriveninvestor.com.