50% discount on trading fees + participate in $1,000,000 giveaway! for early access ( first customers ), it's a good giveaway competition for those who have the ability to invite many people under their referral link. The first place winner will get $250,000 worth of bitcoin.
I think, Not official yet since it is still not publish on their social media or here. 
They have a quite nice strategy out there, in that case they will gain more users and at the same time a bonus for user for participating and have the chance to win on giveaways.