[...] Norwegian company Kryptovault. The company expects its mining to account for just under 1% of the computing and process power in the global bitcoin network later this year.

Hot air is being pumped into the 12 skips through bendy corrugated pipes curling out from the warehouse. Despite the snow, it will take a few days for the logs to be dried out, after which a local lumberjack, grateful for the free service, will take them away for sale.

Heat is an inevitable waste byproduct. Despite noise from ventilation fans so loud that the company had to spend about £1.5m on insulation after complaints from neighbours, the hot areas in the Hønefoss warehouse can reach 55C.

The company is in early talks to dry seaweed for a local firm. Pettersen says the narrative will change.