Monero takeover disrupted by alleged DDoS attack on Qubic mining pool

The Qubic mining pool, which is attempting a 51% takeover of Monero, is allegedly being hit by a distributed denial-of-service attack linked to the Monero community.

Update (Aug. 4, 2025, at 1:50 pm UTC): This article has been updated to add commentary by XMRig developer Sergei Chernykh.

A mining pool behind an attempted 51% takeover of Monero is reportedly under a distributed denial-of-service (DDoS) attack, disrupting the effectiveness of its attempt.

In a Sunday X post, Sergey Ivancheglo, who claims responsibility for the takeover attempt, said the Qubic mining pool he controls is under a DDoS attack. He added that the attack resulted in the mining pool’s hashrate falling from 2.6 gigahashes per second down to 0.8 GH/s.

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