Will mining ever stop?

The last bitcoin is expected to be mined sometime around the year 2140 . The supply of bitcoin is limited to a final cap of 21 million. This is determined by bitcoin’s source code which was programmed by its creator(s), Satoshi Nakamoto, and cannot be changed.

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Why is ETH profitability so low?

ETH estimated rewards are calculated based on different network factors, but the factor that mostly affects the estimated rewards (in ETH) is block reward . 2 ETH is base reward miners always receive, while dynamic transaction fee depends on how much users of network are paying for transaction to get confirmed.

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