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Just a week after a 51% attack on the Ethereum Classic blockchain, the attacker has oddly returned some of the funds stolen from Gate.io, according to a recent article published by the crypto exchange.
The attack was carried out on January 7, 2019 and Gate.io researchers stated that the attacker transferred a total of 54,200 ETC, about $ 250,816.191 at the time of printing. Gate.io also provided three ETC portfolio addresses allegedly used by the hacker while advising other cryptographic exchanges to block any transactions from the addresses.
Gate.io, which promised to compensate its customers for their losses, reported today that it received $ 100k of ETC from the attacker on January 10th. However, they do not know the reason for the repayment nor have they heard from him.
"We found that the recent 51% ETC striker returned ETC's 100k USD to Gate.io. We were trying to contact the aggressor but we have not had any answers so far," said Gate.io .
Possible cause for reimbursement
According to Gate.io, if the attacker does not try to get the profit, then it is possible that he is a white hacker who just wanted to draw people's attention to the underlying risks in the "blockchain consensus and hashing power security". "
This could be true, as Gate.io researchers believe that the "hashing power" of the ETC blockchain is not as strong as it should be and hackers could easily lease hashing power for another 51% attack.
However, the exchange increased the number of ETC confirmations from 500 to 4000 as a way to improve the 51% security mechanism against future attacks.
As previously reported, Coinbase, a cryptographic exchange based in the United States, had a different story, claiming to have found 88,500 ETCs ($ 410,000 at the time of printing) in the dual spending and chain organization. ETC, however, denies claiming that it was a 51% attack and that no double spending was detected.
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