We all heard of 51% attack on ETC network and gate.io exchange lost over 100k USD worth of ETC this way. Today we got news that attacker possibly just wanted to prove a point and money came back.

On Jan.10, we found that the recent ETC 51% attacker returned 100k USD value of ETC back to Gate.io.
We were trying to contact the attacker but we haven't got any reply until now.
We still don't know the reason. If the attacker didn't run it for profit, he might be a white hacker who wanted to remind people the risks in blockchain consensus and hashing power security

Based on our analysis, the hashing power of ETC network is still not strong enough and it's still possible to rent enough hashing power to launch another 51% attack. Gate.io has raised the ETC confirmation number to 4000 and launched a strict 51% detect for enhanced protection. We also suggest other ETC exchanges to take actions to protect the trader from blockchain rollback/reorg.

Worth to note that iIt currently costs less than $4,302 to attack ETC using NiceHash.if you know what you are doing.

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