This story was originally published on HackerNoon at: https://hackernoon.com/when-miners-and-validators-go-rogue-some-bad-cases.
When miners or validators go rogue, blockchains can face takeovers and attacks. Let's see some bad cases about this.
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Most distributed ledgers have some middlemen, especially as miners and “validators,” and they can go rogue, sometimes. This means they can do a certain number of things against freedom and fairness, including double-spending funds or completely destroying a network, in the worst scenarios.