Crypto losses surpassed $1 billion in the first six months of 2026, marking the highest number of hacks recorded in any single half-year period, according to onchain security platform Blockai
Crypto losses surpassed $1 billion in the first six months of 2026, marking the highest number of hacks recorded in any single half-year period, according to onchain security platform Blockaid’s H1 2026 security report published Tuesday.
Ethereum led all networks with approximately $332 million in stolen funds, while Solana came in second with roughly $326 million, displacing Arbitrum from its prior ranking. Blockaid tracked 212 separate security incidents across the period, with the single largest exploit targeting KelpDAO at $292 million. The platform also noted it verified 3.4 times as many high-threshold exploits in H1 2026 as it did across the entirety of 2025.
