Monero

Security

<p>In a surprising turn of events, Monero, the popular privacy-focused cryptocurrency, disclosed an exploit of its Community Crowdfunding System’s (CCS) wallet that occurred on September 1, 2023. The attacker managed to drain the wallet of 2,675.73 XMR, equivalent to approximately $460,000. This incident has raised concerns about the security and privacy of Monero’s blockchain.</p>
<p>The attack unfolded in a series of nine transactions, where the perpetrator managed to siphon the entire balance from the CCS wallet. The incident remained under the radar until recently when Moonstone Research, a blockchain security firm, identified the attacker’s actions.</p>
<p>Moonstone Research traced the attacker’s transactions and suggested that the exploit was executed by a Monerujo wallet user who had enabled a feature known as “PocketChange.” Monerujo is an Android-based non-custodial Monero wallet that offers the PocketChange feature, which is designed to enhance Monero’s privacy model by creating multiple “pockets” or “enotes.”</p>
<h2 class="wp-block-heading" id="analyzing-the-exploitation-of-monero-s-privacy-features">Analyzing the exploitation of Monero’s privacy features</h2>
<p>Monerujo’s PocketChange feature works by breaking down larger <a href="https://www.cryptopolitan.com/monero-price-analysis-2023-06-12/" rel="noopener noreferrer nofollow">Monero coins</a> into smaller parts and distributing them into ten different pockets. This fragmentation ensures that the coins do not merge again, allowing users to spend from various pockets instantly without the usual waiting period.</p>
<p>According to Moonstone Research’s findings, the attacker exploited this feature to create 11 output enotes, a behavior inconsistent with typical transactions. Moonstone Research expressed confidence in their assessment, regardless of whether the attacker used Monerujo version 3.3.7 or 3.3.8.</p>
<p>Chinese crypto reporter Colin Wu, known for his insights into the cryptocurrency industry, <a href="https://twitter.com/WuBlockchain/status/1721022544017592616?ref_src=twsrc%5Etfw%7Ctwcamp%5Etweetembed%7Ctwterm%5E1721022544017592616%7Ctwgr%5E5c40e4820d7975321c702459040e442ce984bf64%7Ctwcon%5Es1_&amp;ref_url=https%3A%2F%2Fcoinedition.com%2Fmonerujo-wallet-user-drains-moneros-ccs-wallet-report%2F" rel="noopener noreferrer nofollow" target="_blank">weighed</a> in on the hack. Wu shared his observations on his official X page, Wu Blockchain, and highlighted SlowMist’s assumption that the vulnerability may be a “loophole in the Monero privacy model.” While the source of the attack remains a mystery, the incident has raised questions about the security of Monero’s blockchain and the effectiveness of its privacy features.</p>
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   <p lang="en" dir="ltr">The Monero team announced that the community crowdfunding system CCS Wallet was attacked on September 1, 2023, and the entire balance of 2,675.73 XMR (approximately $384,000) was stolen. So far, the source of the vulnerability cannot be determined. SlowMist believes that it…</p>— Wu Blockchain (@WuBlockchain) <a href="https://twitter.com/WuBlockchain/status/1721022544017592616?ref_src=twsrc%5Etfw" rel="noopener noreferrer nofollow" target="_blank">November 5, 2023</a>
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<p>The CCS wallet, which serves as a funding system for community-driven projects, held a total balance of 2,675.73 XMR until September 1, 2023. This balance was accumulated through donations from the community and was intended to support various initiatives within the ecosystem.</p>
<p>The exploit of CCS wallet has prompted concerns about the security of the Monero network. Privacy is a central tenet of companies design, but this incident has raised questions about whether the privacy features can be exploited. While Monero developers continually work to enhance the network’s security, the incident serves as a reminder that no system is entirely immune to vulnerabilities.</p>

Security breach unveiled: Monero’s CCS wallet drained of $460,000

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