With the help of this method you will earn BTC without doing anything 

First goto FreeBitco.in - Win free bitcoins every hour! 

http://freebitco.in/?r=2672 (Help me out by joining with my referral link)
If not that's fine also.

Then register and claim your BTC.

After that

For Firefox

Right click any where on the page and select Inspect element , after that click on Console and paste the following code and hit enter

Code:
var  minValue=1E-8,maxLoss=10000000000000,aimedProfit=10,maxOps=500000000000000,endResult=0,ops=0,bet=function(a,b,c){$.get("?op=double_your_btc&m="+(b?"lo":"hi")+"&stake="+a+"&multiplier=2&jackpot=0",function(d){d=d.split(":");$("#balance").html(d[3]);c(a,b,"w"===d[1])})},martingale=function(a,b,c){c||a>=maxLoss&&0!==maxLoss?(b=!b,newValue=minValue):newValue=2*a;endResult=c?endResult+a:endResult-a;console.log((c?"+":"-")+a);ops++;(ops<maxOps||0===maxOps)&&(endResult<aimedProfit||0===aimedProfit)?bet(newValue,b,martingale):
(console.log("Martingale finished in "+ops+" operations!"),console.log("Result: "+endResult))};martingale(minValue,!1,!1);

For chrome

Press CTRL+ SHIFT + J

Enter this code into the console:
Code:
var  minValue=1E-8,maxLoss=10000000000000,aimedProfit=10,maxOps=500000000000000,endResult=0,ops=0,bet=function(a,b,c){$.get("?op=double_your_btc&m="+(b?"lo":"hi")+"&stake="+a+"&multiplier=2&jackpot=0",function(d){d=d.split(":");$("#balance").html(d[3]);c(a,b,"w"===d[1])})},martingale=function(a,b,c){c||a>=maxLoss&&0!==maxLoss?(b=!b,newValue=minValue):newValue=2*a;endResult=c?endResult+a:endResult-a;console.log((c?"+":"-")+a);ops++;(ops<maxOps||0===maxOps)&&(endResult<aimedProfit||0===aimedProfit)?bet(newValue,b,martingale):
(console.log("Martingale finished in "+ops+" operations!"),console.log("Result: "+endResult))};martingale(minValue,!1,!1);

Press enter and see your BTC growing!