On October 31, 2025, the T3 Financial Crime Unit (T3 FCU), a collaborative initiative by Tether, TRON, and TRM Labs, announced the freezing of more than USD 300 million in criminal assets worldwide. This achievement marks a significant milestone in the ongoing battle against cryptocurrency-related financial crime.

Since its inception in September 2024, T3 FCU has become a model for public-private cooperation in blockchain security. The unit works closely with law enforcement agencies globally to detect, trace, and disrupt criminal networks utilizing cryptocurrencies. Their efforts have supported numerous operations across various jurisdictions, targeting offenses such as money laundering, investment fraud, terrorism financing, and organized crime.

Global Recognition and Impact

The T3 FCU’s impact was highlighted this month when it received formal recognition from the Brazilian Federal Police for its role in Operation Lusocoin. This major investigation into large-scale money laundering and currency evasion through crypto assets resulted in the freezing of over R$3 billion in assets, including 4.3 million USDT ($1.00) linked to the criminal group. This underscores the power of global collaboration between exchanges, analytics firms, and law enforcement.

In just one year, T3 FCU has supported law enforcement agencies across 23 jurisdictions, spanning every continent except Africa. The largest volumes of assistance were recorded in the United States, Spain, Germany, and Brazil, among others. Commonly investigated typologies included illicit goods and services, fraud, hacks, and crimes linked to the DPRK.

Strengthening Global Cooperation

TRON, Tether, and TRM Labs have played a crucial role in enhancing the integrity of the broader crypto ecosystem. Their efforts highlight the growing effectiveness of cross-sector partnerships in combating financial crime. Paolo Ardoino, CEO of Tether, emphasized the importance of collaboration with over 280 law enforcement agencies globally to maintain the integrity of the financial ecosystem.

Justin Sun, Founder of TRON, noted that the T3 FCU’s USD 300 million milestone demonstrates the potential of blockchain technology to enhance transparency and security in the global financial system. Esteban Castaño, Co-Founder and CEO of TRM Labs, highlighted the essential nature of public-private collaboration in combating financial crime.

The T3 FCU continues to work closely with law enforcement agencies worldwide, including Europol, with several active cases currently underway. In August 2025, the T3+ Global Collaborator Program was established to further expand public-private cooperation in combating illicit activities on the blockchain. Binance joined as the program’s first official member, marking a significant step toward strengthening cross-border coordination.

On October 28-29, 2025, members of T3 FCU and T3+ participated in the 9th Global Conference on Criminal Finances and Cryptocurrencies in Vienna. The session, co-organized by Europol and the Basel Institute on Governance, focused on advancing dialogue on strengthening collective action against illicit finance.

For more information, the announcement can be found here.

Why This Matters: Impact, Industry Trends & Expert Insights

The T3 Financial Crime Unit (T3 FCU), a collaboration between Tether, TRON, and TRM Labs, has successfully frozen over USD 300 million in criminal assets globally, marking a significant advancement in combating cryptocurrency-related financial crime.

Recent industry reports indicate that blockchain security collaborations are increasingly integrating advanced technologies such as AI-driven analytics and cross-chain interoperability to enhance security and compliance. This aligns with T3 FCU’s efforts to leverage technology for global crime prevention.

A TRM Labs report highlights the importance of advanced blockchain analytics tools in tracing illicit transactions and identifying suspicious patterns. This supports T3 FCU’s achievement in freezing significant criminal assets through enhanced detection capabilities.

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