- OKX has resumed operations of its decentralized exchange (DEX) aggregator after a temporary shutdown
- It has implemented real-time abuse detection and blocking systems to address illicit usage
- The restart follows prior misuse of the platform by the North Korea-linked Lazarus Group
OKX has brought its decentralized exchange (DEX) aggregator back online, fortifying it with enhanced security tools designed to detect and prevent abuse in real time. The exchange was forced to pause services in March following the revelation that the Lazarus Group had used it to launder its stolen funds. As a result, OKX is working to rebuild user trust and fortify its decentralized ecosystem against future threats.
Lazarus Group Misuse Prompts Shutdown
In March 2025, OKX made the decision to temporarily suspend its DEX aggregator after it discovered that the platform had been used by the Lazarus Group for illicit activities. The North Korean hacking group has a long history of cybercriminal actions, including laundering millions in stolen crypto assets, and OKX’s move to halt services was a preventive step aimed at stopping further misuse and reassessing its security framework.
In order to prevent illicit use of its DEX, OKX has integrated a new real-time abuse detection system designed to identify and block suspicious activities instantly; the system monitors transaction behavior and maintains a dynamic list of flagged addresses to intercept malicious actors before they can do harm.
OKX DEX will restart today with realtime abuse detecting and blocking system. OKX Web3 is Chrome and search engine to blockchain. Base on our understanding of onchain data, we help customers access to hundreds chains realtime data, manage multiple chains’ asset and engage with…
— Star (@star_okx) May 5, 2025
In a public statement, OKX explained that its “dynamic database of suspect addresses blocks hackers and bad actors in real-time, while proactive alerts warn users about risky transactions.”
Enhanced Security Measures Across the Board
The new-look OKX DEX comes with more than just real-time monitoring, with the company introducing wallet profiling tools that help classify user behavior and identify unusual patterns associated with abuse. In addition, the platform has undergone independent audits from leading blockchain security firms, including CertiK, Hacken, and SlowMist, to verify the robustness of its new safeguards.
By acting swiftly and transparently in the wake of the Lazarus Group’s misuse, OKX is hoping to re-establish confidence among its users. The addition of real-time abuse detection not only raises the bar for decentralized exchange security but also signals a broader commitment to proactive defense.