Grinex, a sanctioned Russia‑linked crypto exchange, announced Thursday it had been targeted in a large-scale cyberattack that led to the theft of more than one billion rubles (approximately $13.7 million) from user accounts. The company claimed the incident may have been linked to foreign intelligence agencies.

In an official statement, the exchange stated that technical evidence points to an unusually high level of sophistication, suggesting access to capabilities typically limited to state-backed entities. Early assessments indicate the attack was organized to inflict direct damage on Russia’s financial system.

Grinex has faced ongoing challenges since its inception, including sanctions, targeted wallet…