Flash loan attacks drained $1.2 billion from DeFi between 2020 and 2024, study finds
Flash loan attacks caused $1.211 billion in losses across 72 incidents between February 2020 and July 2024, representing 18.44% of all DeFi attack losses during the period, according to a study published in the Journal of Financial Crime by University of Winchester researchers. Logic exploits accounted for 55% of losses in the later period, overtaking price manipulation as the primary attack vector.
