DeFi exploit losses fell 74% in 2025 from 2022, report finds

Losses from exploits of decentralized finance (DeFi) protocols totaled $680.3 million in 2025, a 74% decrease from the $2.62 billion lost in 2022, The Block reported, citing a recent study by Web3 security firm Immunefi. The average loss per incident also dropped by 75% from $6 million in 2022 to $1.5 million in 2025. The report noted that despite security threats from advancements in artificial intelligence (AI) being a major topic of discussion, the DeFi sector is actually becoming increasingly secure.