Cryptocurrency mining and the environment
Like mining for gold, it can be very lucrative. And bad for the environment.
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Crypto miners use natural gas "stranded" in wells to power energy-hungry rigs
Usually the gas is burned off at the well. Environmentalists say using it for mining incentivizes more drilling.
Central Texas: famous for barbecue, boots and ... bitcoin?
The city of Rockdale hopes cryptocurrency miners can make up for lost industrial jobs and tax revenue.
Crypto miners came to upstate New York for cheap energy. Some regret letting them come.
The miners have blown through one town's allocation of cheap power, while another has put a moratorium on new mining operations.
Your questions about cryptocurrency answered
Over the past decade, digital currencies (particularly bitcoin) have exploded in popularity.
How bitcoin mining works
Ingredients: Tens of thousands of powerful computers, enough energy to power all of Poland. Yield: More than $30 million in newly minted bitcoin every day.