how you are saying it's not referal link ? what is it then , your link ask us to use the referal code when we visit it .
anyway "Get Your US$5 KICKBACK!! Email us your details, and once you've accrued US$50 of Bitfinex fees you will be sent your kickback to your designated Bitcoin address." means we should deposit 50$ on Bitfinex to get the 5$ ? because i don't understand