• Difficulty - Medium
    Total Plays - 32
    Allowed Time - 10 sec
    Best time - 1.153 sec

    Q. Which best describes a 51% attack in blockchain?

    #A
    #B
    #C
    #D
    Explanation:
    A 51% attack happens when one miner/validator controls over half the network’s power or stake. This lets them rewrite history or double-spend coins, threatening security. It’s rare on large chains like Bitcoin but a risk for smaller ones.
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Damon Whitney

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Priya Gupta

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2.471
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5.435

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