CertiK Report Shows Decline in Crypto Hack Losses in H1 2026, Attack Frequency Hits Record High

CertiK's report indicates that cryptocurrency losses in the first half of 2026 decreased by 46.8% year-on-year to $1.32 billion. Losses from phishing attacks in Q1 amounted to $508.2 million, while private key leaks in Q2 resulted in $807.5 million in losses, with over 70% stemming from hacks targeting KelpDAO and Drift Protocol. Both incidents were attributed to North Korean state-sponsored hackers. TRM Labs data reveals that the number of attacks surged from 83 in the first half of last year to 207 this year, marking a historic high, with smart contract vulnerabilities accounting for 60% of incidents. CertiK noted that the decline in losses was due to the $1.4 billion Bybit hack last year, which skewed the comparison. Excluding that factor, attacks have become more targeted, with private key and multi-signature wallet management remaining critical security risks.