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A comment on Lets talk about blockchains. Parent comment

Re:Lets talk about blockchains by briffle on Thursday April 28, 2022 @03:30PM (#31197132)
I thought the electricity usage was due to the 'mining' for new crypto, not for the actual blockchain that stores the 'ledger' of transactions.
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Re:Lets talk about blockchains by danans on Thursday April 28, 2022 @03:35PM (#31197191)
Mining is what gives legitimacy to the records stored on the blockchain, what allows it to be "trustless". No mining, no blockchain.
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Re:Lets talk about blockchains by flir on Thursday April 28, 2022 @03:38PM (#31197225)
They're inextricably linked by design. The "mined" bitcoins are the reward for successfully attaching some transactions to the ledger in a computationally expensive way.
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