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

(2) Find people that want to join you (but nothing to do related to mining [as above comment said]) Grin

(3) I don't know (Almost all mining part such as mining pool, isn't applying referral system except cloud mining [maybe]) Huh

After all, you know nothing about mining, I just appreciate you were asking. Cool

ooh.. thanx for your comment. and I got it. Cheesy