According to @BitMEXResearch, Qubic published an article claiming to control over 51% of Monero (XMR) network hashrate and stating its end goal is to take over all block rewards through full and sustained selfish mining. Source: BitMEX Research on X, Aug 12, 2025; Qubic article as cited by BitMEX Research. @BitMEXResearch said they consider the 51% claim unlikely and noted key details remain unclear, highlighting unresolved uncertainty around XMR network security at this time. Source: BitMEX Research on X, Aug 12, 2025. For traders, if Qubic’s claim were accurate, the setup would imply elevated 51%-attack risk characteristics consistent with selfish mining incentives and block reward capture on Monero. Source: BitMEX Research on X, Aug 12, 2025.

According to @BitMEXResearch, Monero (XMR) may have experienced a deliberate 6-block chain reorganization tied to Qubic mining. @BitMEXResearch noted that with Monero’s 2-minute target block time, the reorg spanned roughly 12 minutes and was described as small. @BitMEXResearch added it is not clear whether a double-spend occurred or whether the event reflected selfish mining behavior.