Please also see the below info on current bonuses for early participants:

We are currently at private presale stage (ending August 31, 2018) with min. purchase = 3000 USD. Referral bonuses of 15% and 20% can be received by registered referrers for purchases above 3000 USD and 5000 USD respectively if made by referrals registered through a referral link available after registration at our book building platform via https://tokensale.marketspace.io/