Many say that there's no point in mining bitcoins anymore unless I invest a lot into buying ASIC miners. They say so cause it's difficult to mine bitcoins. Is that true?
How many bitcoins do you mine a day and what's your H/S?
How many bitcoins do you mine a day and what's your H/S?
mining itself would be extremely profitable, especially as long as the price keeps going up. The problem is having the hardware and having it now: the point is that if you buy/pre-order today you don't know what are going to be the market conditions at the time you will actually get the HW (which might be several months later).
Making a reasonable estimate now is relatively simple: you just need to consider the cost of HW, the cost of electricity, the value of BTC and the ratio between your H/s and the total computational power of the network. The problem is that trying to forecast the last 2 values even just 2 months from now is meaningless, as the future price could easily be 10 times more or 10 times less
PS: this only applies for BTC mining, as per alt-coins mining I have no direct experience but what the other guys are saying makes sense
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