CoinWorld News reports that Wu Shuo Blockchain tweeted: Biteye’s content team reviewed 20 cryptocurrency theft cases, revealing three major security trends in the industry. Technical vulnerabilities are still common, but losses from social engineering and permission attacks are greater; the attack surface is shifting from cross-chain bridges to internal protocol logic, oracles, and third-party dependencies; and single-point incidents are more likely to spread throughout the entire DeFi ecosystem. Among the four incidents with the highest losses, all are related to North Korean hackers, with total losses exceeding 2.5 billion US dollars.