--- title: Monero Faces 51% Attack Threat as Qubic Claims Mining Power Dominance canonical: https://mining-provider.com/monero-faces-51-attack-threat-as-qubic-claims-mining-power-dominance/ author: Mining Provider Editorial Staff published: 2025-11-15 updated: 2025-11-15 language: en category: News description: Monero is facing a security threat as Qubic claims control over 51% of its mining power, causing XMR's price to drop significantly amid concerns about transaction censorship and double spending. Despite recent improvements in efficiency and an increase in daily transactions, the cryptocurrency's market cap remains volatile at around $2.37 billion. source: Provimedia GmbH --- # Monero Faces 51% Attack Threat as Qubic Claims Mining Power Dominance > **Autor:** Mining Provider Editorial Staff | **Veröffentlicht:** 2025-11-15 **Zusammenfassung:** Monero is facing a security threat as Qubic claims control over 51% of its mining power, causing XMR's price to drop significantly amid concerns about transaction censorship and double spending. Despite recent improvements in efficiency and an increase in daily transactions, the cryptocurrency's market cap remains volatile at around $2.37 billion. --- ## Monero Faces 51% Attack Risk as Qubic Claims Network Dominance Monero, the world's most recognized privacy-focused cryptocurrency, is currently facing a serious security crisis as Qubic, a project led by IOTA co-founder Sergey Ivancheglo, claims to control more than half of the network's mining power. Qubic has announced that it has surpassed the critical 51% hash rate threshold, which allows the dominant player to reorder blocks, reverse transactions, or selectively censor payments. This announcement has caused immediate unrest in the markets, with XMR dropping 6% within 24 hours to $252, exacerbating a 13.5% decline over the past week. The implications of such a 51% attack are significant, as it could lead to blockchain reorganizations, double spending, and transaction censorship. > “Although this could be potentially lucrative, it threatens to destroy trust in the network almost overnight,” warned Ledger CTO Charles Guillemet. Qubic's rapid rise from less than 2% of Monero's hash rate in May to over 25% by the end of July raises concerns about the resilience of Monero's network. **Key Takeaways:** - Qubic claims to control over 51% of Monero's mining power. - XMR price fell 6% to $252 following the announcement. - Potential risks include transaction censorship and double spending. ## Monero Price Analysis – XMR Bug Shakes Users On July 3, HackerOne uncovered a security vulnerability that could have been exploited to steal funds from cryptocurrency exchanges. This bug has since been fixed. Monero, launched in April 2014, is classified as a privacy coin due to its untraceable, unlinkable, private, and analysis-resistant transactions. The cryptocurrency has fallen 83% from its all-time high of nearly $500 in December 2017, with a current market capitalization of $1.43 billion, placing XMR at 13th in the Brave New Coin market cap table. The trading volume over the last 24 hours was reported at $52.75 million. Monero's standard privacy features utilize Multilayered Linkable Spontaneous Anonymous Group Signatures (MLSAG), Ring Confidential Transactions (RCT), and stealth addresses. Other cryptocurrencies with optional private transaction capabilities include Zcash (ZEC), Dash (DASH), Grin (GRIN), and PIVX. **Key Takeaways:** - Monero's market cap is currently $1.43 billion. - Trading volume in the last 24 hours was $52.75 million. - Security vulnerabilities have been addressed, but concerns remain. ## Monero Price Analysis – Positive Technical Indicators and Sound Fundamentals Recent data indicates that Monero has shown active and continuous incremental improvements over the past two years, including reduced transaction costs and enhanced transaction efficiency. The cryptocurrency is currently down 78% from its all-time high of nearly $500, with a market capitalization of $1.91 billion and a trading volume of $172 million in the last 24 hours. Monero's standard privacy features include MLSAG, RCT, and stealth addresses, which provide significant privacy advantages. The introduction of the Concise Linkable Spontaneous Anonymous Group (CLSAG) transaction format in September 2020 has reduced transaction sizes by 25% and verification times by 20%. **Key Takeaways:** - Monero's market cap is currently $1.91 billion. - Trading volume in the last 24 hours was $172 million. - CLSAG format has improved transaction efficiency significantly. ## Monero Price Analysis – Transactions Per Day Hit All-Time Highs The number of transactions per day on the Monero network has been steadily increasing since the hard fork in November, reaching a new all-time high recently. Monero's current market capitalization stands at $2.37 billion, with a trading volume of $97 million in the last 24 hours. Monero's privacy features, including MLSAG and RCT, continue to attract attention, and the cryptocurrency remains a leader in terms of market capitalization and daily fees among privacy-focused coins. The introduction of CLSAG has further enhanced its capabilities. **Key Takeaways:** - Monero's market cap is currently $2.37 billion. - Transactions per day have reached an all-time high. - Trading volume in the last 24 hours was $97 million. Sources: - [Monero sieht sich einem 51%igen Angriffsrisiko ausgesetzt, während Qubic die Netzwerkdominanz beansprucht](https://bravenewcoin.com/de/insights/monero-faces-51-attack-risk-as-qubic-claims-network-dominance) - [Monero-Preisanalyse – XMR-Fehler verunsichert Nutzer – Mutige neue Kryptowährung](https://bravenewcoin.com/de/insights/monero-price-analysis-xmr-bug-shakes-users) - [Monero-Preisanalyse – Positive technische Indikatoren und solide Fundamentaldaten – Mutige neue Kryptowährung](https://bravenewcoin.com/de/insights/monero-price-analysis-bullish-technicals-and-sound-fundamentals) - [Monero Price Analysis – Transactions per day hit all-time highs](https://bravenewcoin.com/de/insights/monero-price-analysis-transactions-per-day-hit-all-time-highs) --- *Dieser Artikel wurde ursprünglich veröffentlicht auf [mining-provider.com](https://mining-provider.com/monero-faces-51-attack-threat-as-qubic-claims-mining-power-dominance/)* *© 2026 Provimedia GmbH*