Blockchain hacks caused $956M in losses in H1, down 60% YoY

Blockchain security firm SlowMist reported on X that 182 security incidents in the first half of the year resulted in approximately $956 million in losses. While the number of incidents increased compared to the same period last year (121), the total value lost saw a significant decrease from $2.373 billion. By ecosystem, Ethereum recorded the highest losses at $134 million, followed by BNB Chain at $36.35 million and Arbitrum at $4.93 million. The DeFi sector was the most affected, with 116 incidents accounting for about $490 million in losses. Cross-chain bridges saw 20 incidents totaling roughly $346 million, with the Kelp DAO exploit alone responsible for about $292 million of that figure. The most common attack methods were contract and logic vulnerabilities (85 incidents), followed by the theft of private keys and credentials (17 incidents) and supply chain attacks (12 incidents).