Company founder slowmistknown as nickname Evilcos, reported on the implementation Attacks 51% to the Monero network from the side of the mining pool qbic. The platform now controls a significant part of the network hashrate.

关注一段时间了，这次针对门罗币的 51% 攻击看来是成功了（感谢黑手册群友信息），不过成本也很高，最终不确定这样做的经济收益是什么…

现在理论上 Qubic 这个矿池可以重写区块链，实现双重支付，并审查任何交易…

相关平台注意可能的威胁，保持关注。 https://t.co/cKlMyuvy9C pic.twitter.com/U9J9bDiF85
— Cos(余弦)😶‍🌫️ (@evilcos) August 12, 2025

Experts recorded a large-scale one Blockchain reorganization. Control over the hashrate allows qubic to rewrite transaction history, double expenses and limit transactions in the network.

According to the Technical Director Ledger Charles Guillaumesupport for such an attack can cost approximately $75 million per day.

Monero appears to be in the midst of a successful 51% attack.

The privacy-focused blockchain, launched in 2014 and long targeted by governments and 3-letters agencies, is already banned from most major centralized exchanges.

The Qubic mining pool has been amassing hashrate for…
— Charles Guillemet (@P3b7_) August 12, 2025