Virtusa: As Bitcoin Halving Approaches, 51% Attack Question Resurfaces

Many supporters have come to see bitcoin as a model of the perfectly secured digital good. This view owes itself in no large part to the blockchain, the distributed database that secures units of the digital currency by allowing miners to add and verify transactions without a third party. But, as has long been detailed by academics, the balance of incentives that keeps the blockchain in operation is ever at risk of disruption.

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