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Proof of stake doesn't prevent 51% attacks. It eliminates the incentive. If an attacker controls 51% of coins, why would they attack the network? That would be
by madmax96 6y ago
Proof of stake doesn't prevent 51% attacks. It eliminates the incentive. If an attacker controls 51% of coins, why would they attack the network? That would be attacking their own wealth.
- Jasper_ 6y agoNot if they can attack the network without anybody knowing. If an attacker secretly controls 51% of the coins (by, say, having three separate entities that each control 15-20%) and can manipulate the market in their favor by rejecting transactions that would hurt them, that's a big incentive.