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What Is ‘Double-Spending’?

Double-spending is spending the same unit of cryptocurrency twice, a risk a 51% attack can enable.
Greeks.Live17.11.25

What Is ‘Double-Spending’?

Double-spending is the act of successfully spending the same unit of cryptocurrency more than once. It is a fundamental problem that blockchain technology was designed to solve.

A successful 51% attack can enable double-spending by allowing the attacker to reverse a transaction after it has been confirmed.

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