Bitmart has the most aggressive give aways and referral programs. The exchange gives 50% of fees to friends invited. Then they receive 10% of friends of friends. Lets create an empire sign up today and start referring your friends. They also have great promotions going that are free. Sign up and start getting involved!
my referral link is:
http://www.bitmart.com/?r=4AJ2ua
good luck and happy trading