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- Binance reportedly provided Russian investigators with transaction and identity records tied to a customer accused of funding Ukraine.
- The case highlights the privacy risks of storing cryptocurrency activity with centralized exchanges.
- Binance says it cooperates with lawful law enforcement requests while following applicable legal and privacy requirements.
Binance reportedly handed Russian authorities transaction records and personal information linked to a customer accused of sending cryptocurrency to Ukrainian fundraising campaigns, according to documents reviewed by Reuters. The case highlights the complicated intersection of crypto privacy, law enforcement requests and sanctions compliance, even after Binance formally exited the Russian market.
Binance Data Used in Russian Investigation
Russian investigators reportedly used information supplied by Binance as evidence against IT specialist Yuri Belenkiy, who was detained in September 2025 and is awaiting trial in Russia.
According to law enforcement documents reviewed by Reuters, investigators alleged that Belenkiy transferred more than $700 worth of cryptocurrency between January 2023 and March 2024. The transfers allegedly went to the Ukrainian military and a banned organization that Reuters identified as the group known at various times as the Azov Brigade and Azov Regiment.
The information provided by Binance reportedly included Belenkiy’s transaction history and personal details. Those records allegedly contained his date of birth, address, phone number and passport number, along with copies of his Russian passport and Bulgarian residency permit.
The case illustrates how blockchain transactions, while publicly traceable in many circumstances, can become significantly more revealing when linked to customer identity records held by centralized exchanges.
Binance Had Already Left Russia
The reported disclosure comes despite Binance’s formal withdrawal from Russia in September 2023. The company sold its Russian business to CommEX as part of its exit from the market.
Binance has maintained that it does not determine criminal charges or decide how authorities use information provided during investigations. In a statement cited by Cointelegraph, the exchange said it cooperates with lawful law enforcement requests worldwide while operating within applicable privacy, regulatory and legal requirements.
The company declined to comment specifically on confidential requests or Belenkiy’s case.
That distinction is important because the reported data transfer does not necessarily indicate that Binance initiated the investigation or endorsed the charges brought against the customer.
Crypto Privacy Faces New Scrutiny
The episode could fuel wider debate over privacy on centralized crypto exchanges. Customers may view cryptocurrency as offering greater financial privacy than traditional banking, but exchanges generally maintain extensive identity and transaction records under know-your-customer and anti-money-laundering requirements.
For users operating across politically sensitive jurisdictions, those records can become particularly consequential when authorities seek information through legal channels.
At the same time, exchanges face competing obligations: protecting customer information while responding to legitimate law enforcement demands and complying with regulations in the jurisdictions where they operate.
The reported case underscores a basic reality of centralized crypto platforms: transaction activity may be pseudonymous on-chain, but exchange accounts can connect wallet activity to real-world identities.
For Binance users and the broader crypto market, the episode is likely to keep questions around data privacy, international law enforcement cooperation and exchange transparency in focus.
Also Read: 25% of Gen Z Trading Volume Now Goes to ETFs, Binance Data Shows
The case also demonstrates why leaving a market does not necessarily erase records created while an exchange operated there. As regulators and investigators increasingly scrutinize digital-asset activity, customer data held by crypto platforms is likely to remain an important part of financial investigations.
Disclaimer: The information in this article is for general purposes only and does not constitute financial advice. The author’s views are personal and may not reflect the views of Chain Affairs. Before making any investment decisions, you should always conduct your own research. Chain Affairs is not responsible for any financial losses.
I’m your translator between the financial Old World and the new frontier of crypto. After a career demystifying economics and markets, I enjoy elucidating crypto – from investment risks to earth-shaking potential. Let’s explore!
