BANGKOK -- One of the world's most popular cryptocurrencies is on its way to becoming radically more energy efficient, if a long-awaited upgrade goes according to plan this week.
Cryptocurrencies
Ethereum's merge: 5 things to know about cryptocurrency upgrade
More sustainable model to use 99% less energy, say backers
Ethereum's developers say a change in the way the cryptocurrency is created will reduce the network's energy consumption by 99.95%. © Reuters
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