If you have a modern graphics card (GPU), mining with it can still be profitable unless you have very expensive electricity. But mining with your processor (CPU) is another story. I'm pretty sure that you will mine at a loss when you subtract electricity costs, so unless you have free electricity for some reason, don't bother mining with your CPU. Mining with a JavaScript miner makes it even worse, because it is less efficient than a native miner. You'd better buy bitcoins directly.

Here's a simple calculation to prove it. I tested a few days ago a 4-th gen desktop Intel Core i5 CPU and it earns about 150 sat per hour with the JavaScript miner embedded in FreeBitco. This means that it earns 3600 sat per day or about $0.20 with the current Bitcoin price. A desktop computer whose CPU is running at 100% has a power consumption of at least 100W (60-80W for the CPU and then some Watts for the other components), which translates to 2.4 KW per day. If you pay for electricity $0.10 (which is even considered cheap), you CPU will use electricity for $0.24 per day while earning only $0.20 in Bitcoins. This means you will be mining at a loss. It's better to simply purchase some Bitcoin.

If the PC is turned on anyway, it makes more sense. Anyways you will have a profit or a loss of a few cents per day at most (depending you your CPU efficiency and your power costs), so if you find mining fun, why not. Just don't expect to become rich mining with your CPU. We missed that train 6-7 years ago

Guess I have generous referrer then, great!

Awesome! Thanks for doing this, I know a lot of people have been looking for data for a while

Yeah, there could be a lot of factors influencing the payouts: the particular monero pool's payout rate (income generated minus fees), the payout rate of whoever hosts the browser hashing software (wetsuit in this case- I'm assuming he takes a cut of the proceeds from our mining efforts for including it as an option on this site, which I'm fine with), luck in the pool (that is, how quickly your hashes help solve blocks above the average, which generates into higher revenue per hash), and conversion rate from monero to btc.

All of those factors will affect the sat hash rate you experience on this website, and that's just off the top of my head. There's likely more factors. So really, the only way to get a good indication of the payout rate is through many data points, and then you can make reasonable comparisons with anyone else providing similar services if you're hunting for efficiency. Unless someone is really blowing this site out of the water in terms of efficiency, I'll prolly stick here, because wetsuit has always proven a stand-up guy who's built up a lot of goodwill.

Yoooooo amazing!!!

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Errrhm, I've been without the captcha for quite long time - my balance is over 30'000 satoshis - and now it's back?  Is it permanent? 

Thanks for the explanation but I didn't understand anything... it requires a degree in mathematics to understand that formula?   it would be nice to have something in the site showing it in numbers.

But basically you're saying that if from now on I'm not depositing it means I'm stuck with bloody infernal captcha forever?

To site admins: the FAQ page looks doubled, it contains each content doubled... check it out.


thanks for the suggestion I'll give it a try.

for those who really aiming to hold and invest their time with btc this mining from freebit will add up with the rewards as well, in which we can be beneficiary
after the btc value really jumped so high, I also collecting some satoshi even in a small form so instead of wasting time I also given myself a time to collect
more and more, thanks freebit for doing this mining features.