How do I do a fee-free transfer?

How do I redeem my referral amount?

Can is there a limit on how many, referral incentives can be used for transactions?

Only one referral incentive can be used per transaction.

Why didn't my referral work?

What if my friend forgot to use the referral link?

How can i know that my fee-free transfer was applied?

What if I didn't use my friend's referral link?