How hard is it to mine ETC?

As of Saturday, March 12, 2022, it would take 2.8 days to mine 1 Ethereum Classic at the current Ethereum Classic difficulty level along with the mining hashrate and block reward; a Ethereum Classic mining hashrate of 400.00 MH/s consuming 750.00 watts of power at $0.10 per kWh, and a block reward of 3.2 ETC.

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