Free mining! Earn some bitcoin by Cryptotab! Event! Get bte 0.3

Hi, my friend.
Today I show you a free BTC miner. It is Cryptotab. However, You have to use google chome.
You can earn more btc by using referral system

If you use Chrome, follow this link https://getcryptotab.com/609543

And now They are starting event!!

14.04 : 0.00001192
15.04 : 0.00001237
17.04 : 0.00001782

I will check everyday Cryptotab!!

They say :
Google Chrome must be opened to mine Bitcoin. However, you can close this extension window and you will continue to be mining. To save your BTC and list of referrers you need to sign in.