Crytotab browser is a new browser which let you earn bitcoin while surfing on the web.
It is a real mining browser it can work via mobile phone too.
The best thing with this browser is, you can earn bitcoin even earn 10th level of your referrals.
Invite your friends and earn more
Go to Task Link below
On your browser and download the crytotab.
Your refferal id and your cryptotab username