Monero Faces 51% Attack, Kraken Pauses Deposits

Monero experienced a 51% attack in August 2025, initiated by Qubic’s mining pool seizing majority hashrate and triggering security responses from exchanges like Kraken, impacting Monero’s network globally.

This raises key questions about the risks of mining centralization, with Monero’s market reaction reflecting broader concerns over privacy coin vulnerabilities.

Monero Faces Turmoil Amidst Security Breach

Impact on Monero Network

Monero suffered a 51% attack in August 2025, significantly affecting the network’s security. The attack was initiated by the Qubic mining pool, leading to network disruption and block reorganization. Qubic claims majority control over Monero hashrate; 51% attack fears.

Key figures involved include Sergey Ivancheglo, associated with Qubic, and Kraken’s leadership. Kraken paused XMR deposits, citing potential risks to network integrity and actively monitoring the situation. Kraken suspends Monero deposits after reported 51% attack.

As a security precaution, we have paused Monero (XMR) deposits after detecting that a single mining pool has gained more than 50% of the network’s total hashing power. — Jesse Powell, CEO, Kraken

Market Reaction and Community Response

The immediate effects include market instability for Monero and community frustration. XMR’s price dropped significantly, and concerns over privacy coin mining centralization were reignited. Twitter post discussing Monero and blockchain dynamics.

Insights on cryptocurrency trends and market reactions.

Financial implications are evident as XMR prices decreased by 16% over a week. The event highlights socio-economic vulnerabilities, particularly for privacy coins under centralized mining threats. Commentary on potential security vulnerabilities in crypto networks.

Broader Impact on Privacy Coins

The attack brought attention to the risks inherent in mining centralization, particularly for privacy-focused coins. Regulatory bodies remain silent, but scrutiny on such coins could increase. Update on Monero deposits suspension due to security concerns.

Historical trends suggest potential repercussions in broader crypto markets. Privacy coins may face intensified observation, with institutional confidence possibly shaken. The attack echoes past vulnerabilities in smaller PoW networks. Details on Kraken’s suspension of Monero deposits amid attack concerns.