Flash Loan Attacks Cost DeFi $1.2 Billion Over Four Years, Study Finds

TLDR Flash loan attacks caused $1.211 billion in losses across 72 incidents between February 2020 and July 2024. Those attacks made up 18.44% of the $6.568 billion lost in 254 total DeFi exploits during the same period. More than 80% of flash loan losses happened on Ethereum. Four attack types, including one $181 million governance [...]

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