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Tag: 51% attack

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Proof-of-work blockchain networks rely on decentralized mining for consensus and for protection from double-spending. Bad actors may try to gain a large proportion of the network hashpower to engage in what’s known as a 51% Attack. By controlling a majority of hashpower the double-spending protection can be overcome. We review proof-of-work mining and the ways that blockchains can remain safe from 51% attacks.

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