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Re:The Bitcoin Blocksize: A Summary by maxerickson on Wednesday August 12, 2015 @02:43PM (#10049767)
This is only true while there is a glorious block reward subsidizing everything.

(Which I realize is for a long time in terms of there being a block reward, but if bitcoin falls by 50%, so does the reward...)

Re:The Bitcoin Blocksize: A Summary by pstrateman on Wednesday August 12, 2015 @02:54PM (#10049843)
The marginal cost of mining is actually relatively small for large scale operations compared to the fixed costs.

(In general you cannot get 10+ MW of power without agreeing to pay for installed capacity and energy separately)