Zelenskiy Plans to Ask Europe for Help to Pay Ukraine’s Soldiers

I guess they’re pegged to USD https://en.wikipedia.org/wiki/Ukrainian_hryvnia#Exchange_rates

Following the Russian invasion of Ukraine, the official exchange rate of hryvnia was fixed at ₴29.25 per U.S. dollar and ₴33.17 per euro. On 21 July 2022, it was devalued to ₴36.5686 per US dollar, to bring it into alignment with the black market.