Concerns over dirty energy and electricity use have followed Kazakstan’s Bitcoin boom.
A huge amount of the world’s Bitcoin mining – the process by which transactions are verified and new “coins” made – takes place in Kazakhstan.
The country is now the second biggest in the world for mining after the US – but it has come at a cost, with the nation now using 8% more electricity, according to its government.
Kazakstan’s vice-minister of digital development Askhat Orazbek said the country has “reached a peak” in its mining.
The BBC’s reporter Joe Tidy reports from Kazakhstan.
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