What is a PIN code and what is it for? Support July 17, 2018 15:19 Updated Follow The PIN is your protection code. You will use it to confirm Bitcoin withdrawals and larger purchases in our store. Related articles Can I get Dollars or other FIAT Currency instead of Bitcoin? I have received a code which is not working. What should I do? Application is working but funds are not growing, why? How GamerHash works? I have few computers. Can I mine under one login? Comments 0 comments Article is closed for comments.