DEXAggregator

Global crypto exchange OKX has announced the temporary suspension of its decentralized exchange (DEX) aggregator to prevent further misuse by North Korean hacking group Lazarus. The decision follows regulatory consultations and aims to enhance security measures against illicit activities.
The exchange stated in a March 17 announcement:"Recently, we detected a coordinated effort by Lazarus Group to misuse our DeFi services. After consulting with regulators, we made the proactive decision to temporarily suspend our DEX aggregator services. This move allows us to implement additional upgrades to prevent further misuse."
Why Did OKX Suspend Its DEX Aggregator?
The suspension comes amid heightened scrutiny from European financial watchdogs, who are investigating OKX Web3’s role in laundering funds from the $1.5 billion Bybit hack. Reports suggest that nearly $100 million from the stolen funds was laundered through OKX’s Web3 proxy, with some of it now untraceable.
Despite this, OKX maintains that the Bloomberg report on March 11 was misleading. The exchange clarified that when Bybit was hacked, it took two key actions:
Freezing associated funds to prevent movement into its centralized exchange (CEX).Developing new hack detection features to track and block suspicious activities.
OKX’s Security Measures Against Hackers
OKX has introduced a hacker address detection system for its DEX aggregator, alongside a real-time tracking system to block suspicious addresses. OKX CEO Star Xu stated that the exchange has already rolled out multiple security measures, including:
IP blocking for prohibited markets.Real-time black address detection and blocking to prevent illicit transactions.
OKX Addresses Misrepresentation Claims
OKX insists that its DEX aggregator is not a custodian of customer assets but simply acts as a liquidity aggregator across multiple protocols. In response to recent media scrutiny, the exchange stated:"Over the past few days, we’ve faced targeted media attacks questioning our integrity and operations. We can’t ignore the fact that these attacks are happening while we are actively fighting against financial crime."
The firm emphasized that some critics have deliberately misrepresented its platform and clarified that its goal is to ensure explorers properly attribute actual DEX transactions rather than mistakenly identifying OKX as the point of trade.
What’s Next for OKX?
While OKX has not provided a timeline for the DEX aggregator’s return, it has assured users that its crypto wallet services remain active. However, new wallet creation will be paused in select markets during this period.
The exchange remains committed to strengthening security protocols and preventing further misuse by illicit actors, with a focus on real-time threat detection and regulatory compliance.
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