MOSCOW, April 16 (Reuters) – Russia-linked sanctioned crypto exchange Grinex said on Thursday it had ‌suspended operations after assets worth 1 billion ‌roubles ($13.10 million) were stolen during a cyber attack.

Grinex, which is ​based in Kyrgyzstan but linked to Russia, was sanctioned by the U.S., the UK and the European Union last year.

In a statement posted on ‌its Telegram channel, ⁠the exchange accused “foreign intelligence services” of unfriendly states of being involved in ⁠the attack. Reuters was not able to verify this claim.

“The digital footprints and nature of the ​attack indicate ​an unprecedented level of ​resources and technologies ‌available exclusively to entities of unfriendly…