H1 2026 Web3 Security Report: Attack Frequency Surges 107%, $1.39B Lost

According to the H1 2026 Web3 Security Report, global blockchain security incidents reached 187, with attack frequency surging 107.7% year-on-year, resulting in total losses of approximately $1.39 billion. Ethereum, Solana, and Bitcoin networks were the hardest hit. DeFi projects and retail users were primary targets, with social engineering and smart contract vulnerabilities as main attack vectors. Major incidents like KelpDAO triggered cascading financial risks.