Blender.io / Sinbad.io
Web3 / compliance
Blender.io, also known as Sinbad.io, was a prominent cryptocurrency mixing service that became one of the most widely used tools for laundering illicit funds, particularly for state-sponsored actors. The service processed transactions worth hundreds of millions of dollars and became directly implicated in North Korean state operations when the U.S. Treasury Department sanctioned it for laundering cryptocurrency stolen by the Lazarus Group in major heists including the Ronin Bridge exploit. The service offered users the ability to deposit cryptocurrency and receive mixed outputs from different addresses, breaking on-chain transaction traceability and enabling illicit fund movement. Example: Blender.io was specifically sanctioned by OFAC in May 2022 after processing over $20.5 million in stolen cryptocurrency from the Ronin Network bridge hack, a major theft attributed to North Korea's Lazarus Group that highlighted the service's direct role in state-sponsored cybercrime operations. Why it matters for compliance: Blender.io's sanctions designation established legal precedent for holding mixing service operators liable for money laundering. Compliance systems must maintain comprehensive lists of sanctioned mixing services and flag deposits to their known wallet addresses as high-risk transactions requiring immediate investigation and reporting.
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