Crypto mining could pose power supply issues for public power utilities in the US if not mitigated, Fitch Ratings said.

Block is officially building a bitcoin mining system to make mining bitcoin "more distributed and efficient."

Hours after Kazakhstan's internet went down, bitcoin's hash rate dropped 12%, Larry Cermak of The Block said.

A higher bitcoin price means more people want to "mine" it - and that means more computers guzzling electricity.

Long-term bitcoin holders just keep holding as the cryptocurrency continues to hover around recent all-time highs, Kraken said.

Stronghold Digital Mining derives much of its crypto mining power generation from coal refuse sites in Pennsylvania.

Greenidge Generation in the third quarter of 2020 said it mined 729 bitcoins and had approximately 15,300 miners in operation.

The digital payments company is weighing up whether to create a simple-to-use bitcoin mining rig, Dorsey said, laying out issues around bitcoin mining.

Banned crypto miners reportedly siphoned electricity from public agencies and universities during an electricity crunch caused by a coal shortage.

A 40-year-old man reportedly stole electricity from a nightclub and an industrial site in England to run his bitcoin mining operation.

"We can't let miners capitalize on the situation at the expense of low residential electricity tariffs," Russia's energy minister said.

The increase in the share of the US came after China in September banned all cryptocurrency transactions, citing environmental concerns.

Bitfury was seeking advice from Deloitte to review its readiness to go public, The Telegraph reported. It was valued at $1 billion in its last funding round.

El Salvador's President Nayib Bukele said the first bitcoin had been mined in the Central American country, powered by energy from volcanos.

Alibaba will also prohibit the sale of cryptocurrencies themselves and ban any tutorials, strategies, and software for obtaining digital assets.

Bitcoin mining will only contribute to 0.9% of global carbon emissions even if the coin's price were to hit a mind-boggling $10 trillion by 2030.

Bitcoin doesn't just use huge amounts of energy, the mining process also creates vast quantities of electronic waste, a new study says.