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F2Pool Returns $500k ETH to Sender





F2Pool, a mining pool in China, who recently mined an Ethereum transaction (ETH) with an abnormal transaction fee of 2310 ETH has returned 90% of the fee to its sender.

When F2Pool announced the news on June 18, it said the original owner of the address behind the transaction, MiningPoolHub, had reclaimed 2,079 ETH or approximately $480,000. The mining pool has assigned a transaction ID indicating that F2Pool returned the amount to its original owner.

In order to complete the refund transaction, the original address holder must sign the new address with the private key of the original address. This is due to the original address being controlled by a hacker.

 F2Pool wrote:

“Out of our humanitarian spirit, F2Pool has decided to return the transaction fee component of the transaction. It’s not feasible to return the fee back to the original sender address as the address is also now controlled by the hacker. Therefore, we agreed to send the fee to a new address provided by the original address owner after full verification of the address and owner.”

According to F2Pool, the remaining 10% of the transaction fee or 231 ETH ($53,000) will be allocated to miners. The amount will be used within 7 days from June 20 to June 26 as compensation for the free ETH mining.

F2Pool’s decision to refund 90% of the abnormal transaction fee came shortly after the mining pool reported the transaction issue on June 12.

The suspicious transaction took place on June 11 involving an original 3,221 ETH transaction with an abnormal transaction fee of 2,310 ETH. 

On June 12, the original owner of the address behind the transaction contacted F2Pool and stated that they were the victim of a malicious attack on their node wallet, causing them to lose 5,531 ETH or $1.2 million.

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F2Pool Transaction Part of Recent Abnormal Transactions

The latest news is another turn in the recent series of abnormal ETH transactions involving two other mining pools (Etherchain and Sparkpool).

Lightblocks had earlier reported that the two mining pools encountered similar abnormal transactions in succession, and the transaction fees for these two miners were up to $2.6 million.

Contrary to F2Pool’s recent decision, Etherchain and Sparkpool have decided to distribute the millions of dollars in gas fees they received from strange transactions.

Both pools emphasize that they have given the sender enough time to contact them. The Sparkpool transaction took place on June 10 and the Etherchain transaction on June 11.

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