Crypto firm moved $4.2m of assets to digital wallet linked to alleged Russian arms dealer

Analysis shows link between Copper Technologies and Jonatan Zimenkov, who was later hit with US sanctions over Ukraine invasion

A cryptocurrency firm transferred digital assets worth more than $4.2m to a crypto wallet belonging to a member of an alleged Russian arms-dealing network who was later hit with US sanctions, it can be revealed.

Details of the transactions involving Copper Technologies raise questions about whether UK laws governing crypto have adapted quickly enough to keep pace with a rapidly evolving sector that has come under increasing scrutiny over the level of anonymity it can provide.