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Cryptocurrencies such as Bitcoin can use more power than countries such as Finland. The emergence of eco-friendly alternatives provides hope, and a few concerns, for crypto users.
Ethereum inventor Vitalik Buterin.
SIpa US
Crypto’s second-largest currency is shifting to a new environmentally friendly system.
Proof of work mining requires specialist hardware, and as a result is energy intensive.
Mark Agnor/Shutterstock
Cryptocurrency has a substantial carbon footprint. Ethereum have taken steps to address this, but will others follow suit?
Dave Hunt/AAP
The landmark change places Bitcoin and other cryptocurrencies under immense pressure to follow suit.
EamesBot/Shutterstock
Proof of Work mining is inherently wasteful, but don’t expect a switch any time soon.
Cryptocurrency’s environmental impact is raising concerns.
Voytek Pavlik/Wikimedia
Blockchain technology can be made greener if we change the way transactions happen.
The crypto wars are hotting up.
Wit Olszewski
Ethereum’s Altair upgrade is about to go live, in a big step towards a faster, greener ethereum 2.0.