There are three questions to ask
1.really, How to do referral program?
2.how to get referrals?
3.Does it profitable?
BTC
(1) There's nothing to do (related to mining)
![Cheesy](https://bitcointalk.org/Smileys/default/cheesy.gif)
(2) Find people that want to join you (but nothing to do related to mining [as above comment said])
![Grin](https://bitcointalk.org/Smileys/default/grin.gif)
(3) I don't know (Almost all mining part such as mining pool, isn't applying referral system except cloud mining [maybe])
![Huh](https://bitcointalk.org/Smileys/default/huh.gif)
After all, you know nothing about mining, I just appreciate you were asking.
![Cool](https://bitcointalk.org/Smileys/default/cool.gif)