Is it worthy to use "bitcoin usb block erupter"

  • I was searching for Mining hardware on internet and found that a new technology is available known as "bitcoin usb block erupter" for mining bitcoins as 300MH/S

    I just want to know if it is useful to use these hardware instead of GPU mining and how to calculate breakeven point for them.

    P.S. : I've searched google for many things but there were mixed responses that's why I asked this question here

    go for high-end miners or buy mining shares through groupbuys. Please check bitcointalk.org forum. Beware of scams..

  • A typical USB block erupter will get 333MH/s under realistic conditions. Today, a share is worth about 1/156 of a penny and 333MH/s will get you a share every 13 seconds. That comes out to 43 cents per day per erupter, not counting the cost of electricity. Difficulty is going up, and thus profitability going down, around 25% per month. So you can figure maybe $11 your first month, $8 your next, $6 the next, then $5, and so on. You might get about $50 before it becomes more trouble than it's worth.

    +1 Pretty realistic evaluation. Buying Block Erupters right now might break even over the next several months. Under ideal circumstances they might even make a few bucks. But with BFL cranking out monster ASICs it's becoming a big players game.

    Sadly, it now looks like profitability is going down by much more than 25% per month.

    I guess you could mine other coins with this though?

    @Neurofluxation Other SHA256d coins, yes. But if any of those ever get more profitable than Bitcoin, the bigger buys running big ASICs move over too, crushing the profitability instantly.

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Content dated before 6/26/2020 9:53 AM