cryptotab is a browser based mining system

in #cryptotab7 years ago

cryptotab is a browser based system for mining btc.i used this for long time and this is the time i am requesting 2nd withdraw.i have got the amount of first withdraw at my coinbase wallet.
https://getcryptotab.com/291814Screenshot_2.jpg
this is the link to join.
those are using internet and working with browser they can earn some btc with this automatically