Comment by Hamuko
12 hours ago
>And like the DAO hack on Ethereum showed, if most people who run blockchain software decide that something never happened, they can revert transactions that way.
Isn't that a pretty integral part of the blockchain? 51% attacks were even featured on the HBO show Silicon Valley.
Fixing the DAO hack wasn't done via a 51% attack. In most/all blockchains protocol changes aren't done by simple majority vote.
Yes it was done by 51% attack. The chain split into ETH and ETC.
Not every chain split is a 51% attack.
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