It might sound a bit weird, but cryptocurrencies – digital currencies that don’t have a physical form like notes or coins – have a carbon footprint.
This is because crypto requires a huge number of computers and energy to power its existence.
And Bitcoin is the biggest energy sucker.
Dr Sophie Calabretto talks to Cosmos Magazine journalist Petra Stock about how the world’s most famous cryptocurrency could be spewing out huge amounts of carbon into the atmosphere.
See omnystudio.com/listener for privacy information.
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