I see your invite bounty. Nice. $1 per invite? Do you mean $1 worth of your coin? What's going to be the price / coin.
Yes, its gonna be 1$ worth of the coin and monthly payment, our discord server receives the invites automatically .
The price per GRAF coin at the pre sale will be ( at the current market rates ) 0.1$ per GRAF , 10000 GRAF is needed for a masternode, which is priced at 1000$ or 0.15 BTC / 2 ETH.