Good point on the March comparisons but it has gotten worse than before by quite alot though. Electricity cost isnt a big factor with these kinda difficulty increases.

I calculated 4 months breakeven for antminers around middle last year. It is at least 10+ months now and this is without difficulty increases. And there is major asic overcapacity going forward, thus, bitcoin mining will never have good profitability like before. Hmmm the biggest winners are still bitcoin holders though. From 1050 to 9168, it made 9x the money just from holding. Miners didnt make that much at all.

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(Moderator's note: This post was edited by frodocooper to trim the quote from philipma1957.)