AI-Driven Thefts Reveal Weaknesses in DeFi's Cross-Chain Security
- Hackers drained $5.5M from Garden Finance via cross-chain vulnerabilities, exploiting multi-network weaknesses in a 2025 cyberattack. - AI-driven attacks by groups like Lazarus Group automate crypto crimes, with AI tools enabling rapid smart contract exploitation and cross-chain thefts. - DeFi's 63% fee share and falling transaction costs create lucrative targets, as attackers shift focus to application-layer vulnerabilities. - Industry responses include AI-powered defenses and user education, while 2025
Garden Finance, a cross-chain yield platform, suffered a major cyberattack that resulted in a $5.5 million loss after hackers exploited weaknesses spanning several blockchain networks, as reported by blockchain analyst ZachXBT. The incident, which took place on October 30, 2025, is the latest in a string of significant DeFi breaches this year, highlighting ongoing security gaps in multi-chain protocols. The attackers quickly swapped the stolen funds for
This theft is part of a larger pattern of AI-powered attacks in 2025, with state-backed groups like North Korea’s Lazarus Group using artificial intelligence to automate and expand crypto-related crimes, according to a
 
 
    Security professionals caution that, although quantum computing is a future concern for blockchain safety, the immediate danger comes from advanced AI models outstripping traditional defenses. This sentiment is reflected in a
The rapid growth of DeFi has intensified these vulnerabilities. According to 1kx’s
Both regulatory and technical countermeasures are ramping up. Wallarm’s
As cross-chain platforms grow in complexity, the demand for strong verification protocols becomes increasingly urgent. The Garden Finance breach, together with the $300 million Coinbase hack earlier this month, exposes deep-rooted flaws in decentralized systems. For now, the sector is prioritizing AI-based security solutions and user awareness to address the shifting threat landscape.
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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