Ethereum cryptocurrency completes move to cut CO2 output by 99%

Software upgrade, known as ‘the merge’, will change how transactions are managed on its blockchain• How does ethereum’s ‘merge’ make the cryptocurrency greener?Ethereum, the second largest cryptocurrency, has completed a plan to to reduce its carbon emissions by more than 99%.The software upgrade, known as “the merge”, will change how transactions are managed on the ethereum blockchain, a public and decentralised ledger that underpins the cryptocurr