8.4 Minting cost
Minting cost is relevant to the platform minting cost and number of mintings that the Vintages already have.
Minting cost = Platform minting cost + Vintage minting cost
The platform minting cost would increase daily according to certain rules.
Every Vintage could undergo 7 BMEs and the minting cost for each BME would
increase by a fixed amount.
Note: The platform minting cost would be updated every 5 minutes