OKCoin

🔴 High Risk

OKCoin’s parent company OKX faced a landmark $504 million penalty in 2025 for egregious AML violations in the U.S., including enabling $5 billion in suspicious crypto trades. Despite claiming to bar U.S. customers, OKX allowed users to falsify identities and bypass KYC measures. This case highlights critical compliance failures in transaction monitoring and customer due diligence, risking illicit finance flows. Concurrently, Malta’s FIAU fined OKCoin Europe €1.1 million for systemic AML lapses, underscoring widespread regulatory challenges for crypto platforms globally. The enforcement actions emphasize that robust AML controls are now vital for legitimacy and survival in crypto markets.

OKCoin, the U.S. affiliate of OKX, became embroiled in a major U.S. federal investigation due to its parent company’s failure to maintain adequate anti-money laundering safeguards and operating as an unlicensed money transmitter. Despite official policies banning U.S. customers, OKX allowed access to U.S. investors, facilitating over $5 billion in suspicious and criminally tainted crypto transactions. This failure to prevent money laundering led to a $500 million-plus penalty settlement and guilty plea in early 2025, marking one of the most significant crypto AML enforcement cases by U.S. authorities. Concurrently, their European arm faced regulatory penalties for systemic AML control weaknesses, underscoring ongoing compliance challenges across the group’s global operations. The case highlights the escalating regulatory crackdown on crypto exchanges enabling illicit finance in the U.S. and abroad.

Countries Involved

The primary country involved is the United States, where OKCoin USA operates and where enforcement actions have taken place. Although OKX is Seychelles-based, its activities have global reach, with significant regulatory scrutiny from U.S. authorities. Malta and the European Union have also sanctioned related entities such as OKCoin Europe for AML deficiencies.

The major enforcement actions and reports emerged prominently between 2024 and early 2025. Key developments include the U.S. Department of Justice’s announcement of a guilty plea by OKX in February 2025, and subsequent penalties and regulatory enforcement against OKCoin USA.

Bitcoin (BTC), Ethereum (ETH), Privacy Coins, Stablecoins, over 300 cryptocurrencies

The central crime is anti-money laundering violations, including the operation of an unlicensed money transmitting business, failure to implement adequate AML and Know Your Customer (KYC) controls, and allowing criminal proceeds and suspicious transactions to flow through the exchange. This facilitated money laundering and other financial crimes.

  • OKX (Seychelles-based parent company)

  • OKCoin USA, Inc. (the U.S. affiliate allowed to continue operating under DOJ oversight)

  • U.S. Department of Justice (SDNY)

  • Financial regulators including FinCEN and the CFTC (Commodity Futures Trading Commission)

  • Malta’s Financial Intelligence Analysis Unit (FIAU) in relation to OKCoin Europe

No public disclosures indicate direct involvement of Politically Exposed Persons (PEPs) with OKCoin in the money laundering case, though the platform’s lack of proper controls would create vulnerabilities to PEP-related financial flows.

OKX/OKCoin allegedly failed to adequately monitor and detect transactions using high-risk cryptocurrencies such as privacy coins and stablecoins. They also employed weak business risk assessments and customer risk assessments, allowing origins of illicit funds to go unchecked. The platform’s historical ban on U.S. customers was violated by allowing U.S. investor access, enabling disguised criminal proceeds transactions across borders.

U.S. authorities cited that OKX facilitated over $5 billion in suspicious transactions and criminal proceeds through its exchange. Separate fines and settlements amount to over $500 million in penalties tied to these AML failures.

Investigations revealed flaws in transaction monitoring where alerts generated by automated systems were ignored or discounted without justification. There was insufficient follow-up on high-risk transactions, and customer due diligence was performed inadequately or delayed, allowing significant volumes of suspicious activity to persist.

  • In February 2025, OKX pled guilty to operating an unlicensed money transmitting business and agreed to pay combined forfeitures and fines exceeding $500 million in the U.S.

  • OKCoin USA was allowed to continue operations under specific compliance conditions.

  • Malta’s FIAU fined OKCoin Europe approximately €1.1 million in 2025 for serious AML violations.

  • The U.S. DOJ and CFTC issued subpoenas and imposed sanctions highlighting systemic AML deficiencies.

OKCoin
Case Title / Operation Name:
OKCoin / OKX Money Laundering and AML Violation Case
Country(s) Involved:
Malta, United States
Platform / Exchange Used:
OKCoin USA, OKX (Seychelles-based parent)
Cryptocurrency Involved:

Bitcoin (BTC), Ethereum (ETH), Privacy Coins, Stablecoins, over 300 cryptocurrencies

Volume Laundered (USD est.):
Over $5 billion in suspicious transactions
Wallet Addresses / TxIDs :
N/A
Method of Laundering:

Operation of unlicensed money transmitting business, poor AML/KYC controls, weak transaction monitoring, layering via privacy coins and stablecoins

Source of Funds:

Criminal proceeds laundering, cross-border illicit funds

Associated Shell Companies:

N/A

PEPs or Individuals Involved:

N/A

Law Enforcement / Regulatory Action:
U.S. DOJ $500M+ penalty and guilty plea to AML violations, Malta FIAU €1 million fine for AML breaches, ongoing regulatory monitoring
Year of Occurrence:
2024-2025
Ongoing Case:
Ongoing
🔴 High Risk