This Cryptocurrency Miner Says It Solved Bitcoin’s Power Problem

A green-energy startup says it can solve bitcoin’s surging electricity consumption without boosting pollution, an issue threatening to halt the meteoric rise of the virtual currency.

Austria’s HydroMiner GmbH raised $2.8 million after closing its first initial coin offering on Wednesday, according to its website. The cash will be used to install high-powered computers at hydropower plants, where the company says it can mine new digital currencies at a cheaper cost and with lower environmental impacts.

“A lot of people are worried about the high energy consumption of cryptocurrencies,” said Nadine Damblon, the co-founder and chief executive officer of HydroMiner in Vienna. “It’s a huge factor.’