How to Prevent Flash Loan Attacks in DeFi
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Summary
How flash loan attacks work in DeFi: borrowing uncollateralized funds inside one block to manipulate prices, arbitrage or trigger liquidations, then repaying — the $182M Beanstalk Farms exploit.
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--- id: 5375 title: "How to Prevent Flash Loan Attacks in DeFi" source_domain: hackenproof.com source_url: "https://hackenproof.com/blog/prevent-flash-loan-attacks-defi" published_at: "2026-06-11 06:51" tags: ["web3", "vulnerability-research", "defi", "price-manipulation", "hackenproof", "defi-security", "flash-loan", "beanstalk"] phying_url: "https://phying.com/item/5375" lang: en --- # How to Prevent Flash Loan Attacks in DeFi ## Summary How flash loan attacks work in DeFi: borrowing uncollateralized funds inside one block to manipulate prices, arbitrage or trigger liquidations, then repaying — the $182M Beanstalk Farms exploit. ## Intelligence Metadata - **Sources:** hackenproof.com - **Published:** 2026-06-11 06:51 - **Original:** https://hackenproof.com/blog/prevent-flash-loan-attacks-defi - **Phying News:** https://phying.com/item/5375