Miners can attack rival chains with the same PoW -- so they do have some extra p... | Hacker News

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		SomeStupidPoint on Oct 12, 2017 \| parent \| context \| favorite \| on: Byzantium Hard Fork Announcement Miners can attack rival chains with the same PoW -- so they do have some extra power over "similar" chains.

tfha on Oct 12, 2017 [–]

Attacks that cost them money to the tune of millions of dollars. Sure they can do it but it's not free.

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