FILE PHOTO: A view shows the data centre of BitRiver

FILE PHOTO: An employee works at the data centre of BitRiver company providing services for cryptocurrency mining in the city of Bratsk in Irkutsk Region, Russia March 2, 2021. BitRiver offers hosting services and turnkey solutions for cryptocurrency mining operations to institutional investors including bitcoin mining firms. Picture taken March 2, 2021. REUTERS/Maxim Shemetov/File Photo