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In response to "I understand how mining a single bitcoin costs that much energy, but why would processing a retail transaction cost any more than credit card? -- nm" by Max

My (limited, wrong) understanding is that mining of a new coin needs to occur in order for transactions to be processed. So they get batched up until

a new coin is added to the ledger. Or something like that.

It continues to get more and more expensive, but if I'm right, there's a flaw: I don't know what happens once the last coin has been mined.


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