This might be the best browser ever, with good speed and build in mining ability. This sure is a legit way to make extra bitcoin online without risking your money or anything, you just download the Cryptotab browser and you are ready to start mining.
the CryptoTab team did it's best to cut costs and offer back to its users the best rate of generating crypto-currency possible !
click here to download
CryptoTab is a solid service and I think you should take a look at it. Not to mention that you don't have to keep any tab open, that's just their name :) the miner script works in the background so your tab list won't be affected by mining. You can even right click the extension icon to set your mining speed on the fly.
Also their referral system is quite rewarding, here's an example of what happens when telling 3 of your friends that do the same thing: tell 3 more of their friends. I've decide to show ya the power of 3 because it's really rare for a person not to know at least 3 more people that wanna join the system. And the numbers look way more realistic too :
what are you waiting for? Download Now and start making money. And don't forget to share this with your friends
CLICK HERE to download