The core points of this article are: 1. Although OKEx wasn't attacked, no system is absolutely secure. 2. It calls on industry leaders to work together to build more secure technologies and monitoring solutions. 3. In addition to the security threats posed by AI, it also calls on everyone to accelerate the process of resisting quantum computing. In summary, the biggest contradiction in the blockchain industry right now is not internal strife, but external enemies, including hackers and QDay.