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Ethereum is the world’s second-biggest cryptocurrency, and it’s giving bitcoin a run for its money.
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Ethereum, the second-largest cryptocurrency by market value, just ran a final dress rehearsal ahead of a years-awaited upgrade that’s been billed as one of the most important events in the history of crypto.
Since its creation almost a decade ago, ethereum has been mined through a so-called proof-of-work model. It involves complex math…
