How can I withdraw/exchange nims?
Tapping on the icon in the upper right corner of the Nim Account section will open your current balance of nims. At the bottom of the screen there is information about the exchange rate of 1 infinim. The minimum amount for withdrawal is 82,049,760 nims. This amount equals to the cost of 1 infinim (63,115,200) plus 30% of the contribution. More infromation can be found here.