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Crypto’s Susceptibility to Quantum Attacks Revealed in North Korea’s $30 Million Breach

Crypto’s Susceptibility to Quantum Attacks Revealed in North Korea’s $30 Million Breach

Bitget-RWA2025/11/29 11:50
By:Bitget-RWA

- South Korea's Upbit suffered a $30M hack by North Korea's Lazarus Group, exploiting Solana wallets and using multi-chain laundering to convert stolen assets into Ethereum . - Hackers employed "Harvest Now, Decrypt Later" tactics, storing encrypted data for future quantum decryption, raising concerns about current encryption standards. - Dunamu halted transactions and faces potential fines, while the attack coincided with its $10.3B Naver Financial merger, sparking timing scrutiny and regulatory delays. -

Major Security Breach Hits Upbit: $30 Million Stolen in Sophisticated Cyberattack

Upbit, South Korea’s leading cryptocurrency exchange, recently experienced a significant security breach resulting in the loss of $30 million. The attack, attributed to North Korea’s Lazarus Group, has triggered immediate regulatory investigations and caused notable turbulence in the crypto market.

The hackers targeted Solana-based hot wallets, employing advanced multi-chain laundering strategies. Within hours, the stolen funds were dispersed across 185 different wallets and swiftly converted into Ethereum. In response, Dunamu—the parent company of Upbit—pledged to fully compensate affected users and temporarily suspended trading activities. Authorities have since initiated on-site inspections to determine the root causes of the security lapse. Notably, this incident occurred just a day after Dunamu announced a $10.3 billion merger with Naver Financial, raising speculation about the timing of the breach.

Upbit Security Breach

Echoes of Past Attacks and Quantum Security Concerns

This latest breach draws parallels to a 2019 incident where Lazarus Group stole $41.5 million in Ethereum from Upbit—a sum now valued at over $1 billion. Experts have highlighted the attackers’ use of “Harvest Now, Decrypt Later” tactics, where encrypted data is stored for future decryption using quantum computing. This has intensified concerns about the adequacy of current encryption standards against emerging quantum threats. Naoris Ventures, a cybersecurity firm, has emphasized the urgent need for the industry to transition to post-quantum cryptography by 2035.

Market Impact and Regulatory Fallout

The market responded rapidly to the news. The PLUME token from Plume Network soared by 55% following its listing on Upbit, while broader cryptocurrency indices declined, with Bitcoin’s price dropping. The incident also heightened anxiety over stablecoin reliability, prompting S&P Global to downgrade Tether’s USDT rating to “weak” due to increased Bitcoin holdings in its reserves. Meanwhile, Korean traders took advantage of halted arbitrage bots, leading to sharp price increases in altcoins such as BONK and RENDER.

Regulatory and Industry Repercussions

Dunamu now faces the possibility of a 35.2 billion won fine, which could delay license renewals for major South Korean exchanges. The breach has also cast uncertainty over the planned merger with Naver Financial, as investigators scrutinize Upbit’s security measures. South Korea’s vice foreign minister has called for closer cooperation with the United States to counter North Korea’s cyber operations, linking the attack to Pyongyang’s broader efforts to finance its weapons programs.

Call for Stronger Security Measures

This incident exposes critical weaknesses in the cryptocurrency ecosystem and underscores the urgent need for quantum-resistant security solutions. As highlighted by Naoris Ventures, proactive innovation is essential to defend against threats like HNDL, which could compromise decades of encrypted information once quantum computing becomes mainstream. The Upbit breach serves as a stark reminder of the ongoing challenge to balance rapid industry growth with robust security protections.

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Disclaimer: The content of this article solely reflects the author's opinion and does not represent the platform in any capacity. This article is not intended to serve as a reference for making investment decisions.

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