What are these 51 attack anyway? Is this some kind of hacking? I hope their blockchain is secured enough.
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What are these 51 attack anyway? Is this some kind of hacking? I hope their blockchain is secured enough.
It not forsay a 51% attack.
The attack was done by taking advantage of a incorrect time stamping thus faking the time. When the blockchain sees the faked time is saying no new block was made(when it indeed was) it decrease the difficulty. With the decrease difficulty he could mine more coins easy and cheaper. Making him/her alot of $ without any expenses.