The current payback cycle of ETH mining machines is 8 months, and we expect that ETH will completely leave POW in 2022, so there should be no problem with ETH mining machines delivered before March next year. After March, you need to be careful.

by Wu Blockchain（Chinese Crypto Reporter）
The current payback cycle of ETH mining machines is 8 months, and we expect that ETH will completely leave POW in 2022, so there should be no problem with ETH mining machines delivered before March next year. After March, you need to be careful.

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