When Russian investigators detained IT specialist Yuri Belenkiy in September 2025, Binance had been formally out of Russia for almost two years. Its customer records, however, were still available.

Law enforcement documents reviewed by Reuters show that Binance supplied personal and transaction data later incorporated into a Russian terrorism-financing case against Belenkiy.

The 49-year-old Russian passport holder, who also has a Bulgarian residence permit, is accused of sending more than $700 in crypto to Ukrainian recipients between January 2023 and March 2024. Russian authorities say the payments supported a group linked to the Azov military unit, which Moscow designates as a terrorist organization.

Belenkiy is in a Russian jail…