Such a change in Ukraine taken from the experience of other countries, it has been successfully produced in the Czech Republic, and Germany. Now in Ukraine. The success that often put paper notes needs to be changed. It's all money - recycling old, print new. In the Czech Republic most small purchases made with coins. They have a wear resistance much higher.
Several factors which can help the growth of the hryvnia is an index of corruption which every year falls. Decentralization, which improved the condition of many roads in Ukraine. I am sure that over time will improve the situation at all, especially when the war is over. So I think that the price of the dollar, the hryvnia will be long at the current levels.